The probability of getting at least one head in two flips of a coin is 3/4 or 0.75, which means that there is a 75% chance of getting at least one head in two flips of a coin.
To find the probability of at least one head in two flips of a coin, we can use the complement rule. The complement of the event "at least one head" is "no heads."
The probability of getting no heads in two flips of a coin is (1/2) x (1/2) = 1/4.
Therefore, the probability of getting at least one head in two flips of a coin is:
1 - (probability of no heads) = 1 - 1/4 = 3/4
The probability of getting at least one head in two flips of a coin is 3/4 or 0.75, which means that there is a 75% chance of getting at least one head in two flips of a coin.
In other words, if you flip a coin twice, the probability of getting at least one head is relatively high, and you are more likely to get at least one head than to get no heads at all.
Find more about probability
brainly.com/question/17144515
#SPJ4
Please help me immediately
The exponent is 81.m⁴.n²⁰
Here we have to determine the sign for exponential or radical expression
[tex](-3mn^5)^4[/tex]
Now using the exponent power rule (aˣ)ⁿ = aˣⁿ =. We get
= 81.m⁴.n²⁰
Therefore the exponent as a product of power is 81.
What is an exponent?The number of times a number has been multiplied by itself is referred to as an exponent. For instance, the phrase "2 to the 3rd" (written as 23) means:
2 x 2 x 2 = 8.
23 and 2 x 3 = 6 are not equivalent.
Keep in mind that any number is itself when raised to the power of 1.
The outcome is always a fraction when the exponent is negative. A numerator and a denominator make up fractions. The numerator in this case is always 1. Assuming the negative exponent is positive, raise the number to that power to determine the denominator
Learn more about the exponent at:
brainly.com/question/24237586
#SPJ1
The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is
recorded in milliliters per kilogram, ml/kg). The mean maximum oxygen uptake for elite athletes has been
found to be 69 with a standard deviation of 7.6. Assume that the distribution is approximately normal.
Find the probability that an elite athlete has a maximum oxygen uptake of at least 84.2 ml/kg.
Find the probability that an elite athlete has a maximum oxygen uptake of at most 58.36 ml/kg.
Find the probability that an elite athlete has a maximum oxygen uptake of 58.36 ml/kg.
We are given that the distribution of maximum oxygen uptake for elite athletes is approximately normal with mean 69 and standard deviation 7.6.
To find the probability that an elite athlete has a maximum oxygen uptake of at least 84.2 ml/kg, we need to standardize the value using the formula:
z = (x - μ) / σ
where,
x = the value of 84.2 ml/kg
μ = the mean of 69 ml/kg
σ = the standard deviation of 7.6 ml/kg.
Plugging in the values, we get:
z = (84.2 - 69) / 7.6
= 2.03
Using a standard normal distribution table or calculator, we find that the probability of a standard normal variable being greater than or equal to 2.03 is 0.0217. Therefore, the probability that an elite athlete has a maximum oxygen uptake of at least 84.2 ml/kg is 0.0217.
To find the probability that an elite athlete has a maximum oxygen uptake of at most 58.36 ml/kg, we again need to standardize the value:z = (58.36 - 69) / 7.6
= -1.36
Using a standard normal distribution table or calculator, we find that the probability of a standard normal variable being less than or equal to -1.36 is 0.0869. Therefore, the probability that an elite athlete has a maximum oxygen uptake of at most 58.36 ml/kg is 0.0869.
Finally, to find the probability that an elite athlete has a maximum oxygen uptake of exactly 58.36 ml/kg, we need to use the fact that the normal distribution is a continuous distribution, which means that the probability of a specific value is zero. Therefore, the probability that an elite athlete has a maximum oxygen uptake of exactly 58.36 ml/kg is 0.Learn more Probabilities on
https://brainly.com/question/30034780
#SPJ1
the options are
(- 3, 2)
(- 2, - 3)
(2, - 3)
(2, 3)
(-2,3)
(3, - 2)
(- 3, - 2)
All possible points should be equidistant from center.
so all the values here are possible.
(- 3, 2) ✓
(- 2, - 3) ✓
(2, - 3) ✓
(2, 3) ✓
(-2,3) ✓
(3, - 2) ✓
(- 3, - 2) ✓
3 3/4 divided by 3/8
Answer:
[tex] \to \green{3\dfrac{3}{4}} \red\div \blue{ \dfrac{3}{8} }[/tex]
[tex] \to \rm \green{ \dfrac{15}{4} } \red \times \blue {\dfrac{8}{3} }[/tex]
[tex] \to \green{ \dfrac{ \cancel {15}^{5} }{ \cancel4}}\red\times\blue{\dfrac{ \cancel {8}^{2} }{ \cancel3} }[/tex]
[tex] \huge\boxed{\rm \color{cyan} \to10} [/tex]
[tex] \colorbox{gold}{Answer By} \: \: \: \\ \underbrace \colorbox{cyan}{ \color{purple}{SublimeRanter}}[/tex]
Answer:
10.
3 3/4 can be changed to 15/4.
Then you can use the, "Keep, Change, Flip" method:
15/4 * 8/3
Then multiply the numerators and denominators together:
15 * 8 = 120
4 * 3 = 12
Resulting with = 120/12
Now divide thew numerator by the denominator to get you final product:
120 / 12 = 10
The final answer is 10!
Step-by-step explanation:
Hope it helps! =D
what is the solution for the following system of equations? -y + 3x = 6 and y = -6x + 12
The answers to the equations y = -6x + 12 and y = -y + 3x = 6 are x = 2 and y = 0, respectively.
What does "system solution" mean?A location that satisfies every equation in a system of linear equations is the system's solution. You can graph a set of linear equations and find their points of intersection, or you can use algebra to figure out the variables.
Using substitution, we may solve by replacing y in the first equation with the second equation:
-(-6x + 12) + 3x = 6
Share the ominous symbol
6x - 12 + 3x = 6
combining similar terms
9x - 12 = 6
Separate the variable and add 12 to both sides to find the value of x:
9x = 18
x = 2
Substitute 2 with x in any equation to find the value of y:
-y + 3(2) = 6.
To know more about the equations visit;
https://brainly.com/question/30171504
#SPJ1
At a NASCAR race, the lead car has 7 1/2 laps to go. Suddenly there is a caution flag, so all the racers must hold position while continuing at a reduced speed for 5/6 of a lap. When racing resumes, how many laps does the lead car have to go?
After reduced speed when race resumes the number of laps left are 6 2/3 laps.
What is the definition of speed?
The following is the definition of speed:
The rate with which the position of an item changes .
The ratio of distance travelled to time taken in travelling is known as speed. Speed is a scalar number because it has only one direction and no magnitude.
Formula for Speed
The speed formula is as follows:
s=d/t
Where,
s= speed in metres per second, d = distance travelled in metres, and t = time in seconds.
Now,
Total laps left for the lead car= 7 1/2
After race is paused or reduced speed for race until 5/6 of a lap
so only 1/6 of a lap had normal racing
so total lap left is 15/2-1+1/6
=45-6+1/6
=40/6
=20/3
=6 2/3
Hence,
when race resumes the number of laps left are 6 2/3 laps.
To know more about speed visit the link
https://brainly.com/question/7359669?referrer=searchResults
#SPJ1
Your Aunt Ruth has $610,000 invested at 6.5%, and she plans to retire. She wants to withdraw $40,000 at the beginning of each year, starting immediately. How many years will it take to exhaust her funds, i.e., run the account down to zero? a) 46 years b) 36 years c) 43 years d) 33 years
18.42 years will it take to exhaust her annuity, i.e., run the account down to zero
Given the following information,
PV = $610,000
i = 6.5%
PMT = $40,000/year
The number of years for Ruth to exhaust all her funds from the account is 18.42
Using the financial calculator, we can easily find the value of n equals to 18.42 years in which the account finishes to zero.
n = 18.42 years
An annuity is a contract between you and an insurance company that requires the insurer to make payments to you, either incontinently or in the future. You buy an subvention by making either a single payment or a series of payments.
To know more about Annuity, visit: brainly.com/question/23554766
#SPJ4
a kite is held by a taut string pegged to the ground. the string is 40 feet long and makes a 33 degree angle with the ground. supposing that the ground is level, find the vertical distance from the ground to the kite.
Answer:
height = 21.8 ft from ground
Step-by-step explanation:
see photo for explanation.
The formula below, Newton's law of cooling, allows us to calculate the temperature of an object as it cools.
T = R + (T0 − R)e-kt
T = temperature of the object after t minutes
T0 = initial temperature
R = temperature of the surroundings
k = cooling rate (depends on the object and conditions)
Suppose the temperature in Denver, Colorado was 55°F when a 5°F arctic cold front moved over the state. Using k = 0.012, how long would it take a puddle of water to freeze? (Recall that water freezes at 32°F.)
It would 51.35 minutes take a puddle of water to freeze.
What is the initial temperature?
Initial temperature refers to the average interior temperature of the coldest processing container at the start of the thermal processing cycle, as determined after a thorough stir or shake of the filled and sealed container.
The given equation is T = R + (T₀ − R)[tex]e^{(-kt)}[/tex].
T = temperature of the object after t minutes
T₀ = initial temperature
R = temperature of the surroundings
k = cooling rate (depends on the object and conditions)
The initial temperature is 55°F. The water freezes at 32°F. Thus final temperature is 32°F. The value of k is 0.012.
Now putting T = 32°F, T₀ = 55°F, R = 5°F, k = 0.012 in the given equation:
32 = 5 + (55 − 5)[tex]e^{(-0.012t)}[/tex]
Subtract 5 from both sides:
27 = 50[tex]e^{(-0.012t)}[/tex]
Divide both sides by 50:
[tex]e^{(-0.012t)}[/tex] = 27/50
Taking natural logarithms on both sides:
ln[tex]e^{(-0.012t)}[/tex] = ln(27/50)
-0.012t = -0.616
t = 51.35
To learn more about model equation, click on the below link:
https://brainly.com/question/3882928
#SPJ1
Question content area top
Part 1
A person's blood type is denoted with the letters A, B, and O, and the symbols + and. The blood type A+ is read as A positive. The blood type B is read as B negative. Use the data to write a ratio for the comparison in 3 different ways. + donors to + donors
LOADING. Click the icon to view the data. Question content area bottom
Part 1
The ratio using the word "to" is
42 to
29. (Type whole numbers. )
Part 2
The ratio using a colon is
enter your response here:
enter your response here. (Type whole numbers. )
By using the data table, a ratio for each comparison in three different ways should be written as follows;
The ratio of O+ donors to B+ donors is 9:2.
The ratio of A- donors to B+ donors is 21:20.
The ratio of AB+ donors to total donors is 6:195.
How to determine and write the ratio for each comparison?In order to determine and write the ratio for each comparison, we would have to assign variables to the chosen blood group donors respectively:
Let the variable O represent O+ donors.Let the variable B represent B+ donors.Let the variable ABN represent AB- donors.Let the variable ABP represent AB+ donors.From the information provided above, we have the following parameters:
O = 90 donors.
B = 20 donors.
Now, we can write the ratio as follows;
O:B = 90:20
Dividing by 10, we have the following ratio:
O:B = 9:2
ABN:ABP = 4:6
Dividing by 2, we have the following ratio:
ABN:ABP = 2:3
Read more on ratio here: brainly.com/question/27817533
#SPJ1
The perimeter of a regular hexagon is 90 feet.
What is the area of the hexagon?
rounded to the nearest tenth in the box.
We know that the area of the given hexagon whose perimeter is 90ft is 584.56715 ft².
What is a hexagon?A hexagon, also known as a hexagon, is a six-sided polygon that forms the shape of a cube in geometry.
Any simple hexagon has 720° of internal angles in total.
No matter what kind of hexagon it is, they all have six sides.
This implies that all types of hexagons—regular, irregular, concave, and convex—have six sides apiece.
So, we know that the perimeter of the hexagon is 90ft.
Formula: 6a
Then, calculate the side as follows:
P = 6a
90 = 6a
a = 90/6
a = 15
Then, the area of the hexagon:
= 3√3/2a²
= 3√3/2*15²
= 584.56715
Therefore, we know that the area of the given hexagon whose perimeter is 90ft is 584.56715 ft².
Know more about a hexagon here:
https://brainly.com/question/15424654
#SPJ1
When performing a statistical analysis, why do we usually work with a sample rather than an entire population?
Select one:
a. The p-values only work with samples, not populations.
b. A t-test doesn't produce results when a population is used.
c. We don't work with samples, we only work with entire populations.
d. We often lack the manpower and resources to gather an entire population for a statistical analysis
When performing a statistical analysis, we work with sample rather than the entire population because, we often lack manpower or resources to gather data. So option D is correct.
Statistical work is usually done with a sample. This is done because, if we try to include and collect data from the whole population, it will be very time consuming and need more manpower and resources. It will become a much tedious process.
So a sample which is representative of the whole population is needed. Selecting a sample size and determining the sample must follow certain criteria. They are population parameters we want to estimate, Cost of sampling, Variability of the population, how hard is it to collect data and how precise we want the final estimates to be. All these are taken into consideration and a sample that properly represent the population is determined without bias.
So, option D is the correct answer.
For more information regarding Sampling in statistical analysis, kindly refer
https://brainly.com/question/8222250
#SPJ4
take a look at the pic help meeeeee
Answer:
No
Step-by-step explanation:
The way to show this expression is 6(4+5) because "and" is showing the distributive property.
y is directly proportional to the square of x. find the percentage increase when x is increased by 5%
The change in percentage of y when x increases by 5% will be 25%
What is direct proportion?Direct proportion is a mathematical comparison between two numbers where the ratio of the two numbers is equal to a constant value.
Given that, y is directly proportional to the square of x. we need to find the percentage increase when x is increased by 5%
Since, Y varies directly as the square of x.
Therefore, the general equation to show the direct variation :-
Y = kx²
Let the value of x be 25
25 will be x as 100%. therefore when x is 100% the value of y will be
Y = 25²k
= 625k
Increasing the value of x by 5%,
(105x25)/100 = 26.25
Therefore, 105% of 25 = 26.25.
Applying the variation equation, we obtain
Y = (26.25)²k
= 689.0625k
We will find the percentage change in y caused by an increase of x by 5%
(689.0625x100)/625 = 110.25%
Therefore, to find the percentage change in y when x increases by 5% will be,
(110.25-100)% =10.25%
Hence, the change in percentage of y when x increases by 5% will be 25%
Learn more about Direct proportion, click;
https://brainly.com/question/13906691
#SPJ1
Marie went golfing and tracked her golf cart's distance from the first hole over time. She stayed at the first hole for the first 30 minutes. Then she drove away from the first hole for the next 2 hours. She then took 2 hours to drive back to the first hole.
Which of the following graphs could represent Marie's situation?
first quadrant of coordinate plane titled Marie's round of golf with the x axis labeled time in hours and the y axis labeled distance in miles, with a line segment from the point 0 comma 0 to one half comma 0, a line segment from one half comma 0 to 2 and a half comma 5, a line segment from 2 and a half comma 5 to 3 and a half comma 5, and a line segment from 3 and a half comma 5 to 5 and a half comma 0
first quadrant of coordinate plane titled Marie's round of golf with the x axis labeled time in hours and the y axis labeled distance in miles, with a line segment from 0 comma 0 to one half comma 0, a line segment from one half comma 0 to 2 and a half comma 5, and a line segment from 2 and a half comma 5 to 4 and a half comma 0
first quadrant of coordinate plane titled Marie's round of golf with the x axis labeled time in hours and the y axis labeled distance in miles, with a segment from the point 0 comma 0 to 2 comma 5, a line segment from 2 comma 5 to 3 comma 5, and a line segment from 3 comma 5 to 5 comma 0
first quadrant of coordinate plane titled Marie's round of golf with the x axis labeled time in hours and the y axis labeled distance in miles, with a line segment from 0 comma 0 to 2 comma 5, and a line segment from 2 comma 5 to 4 comma 0
The second graph, first quadrant of coordinate plane titled Marie's round of golf could represent Marie's situation.
What is a coordinate plane?A coordinate plane is a two-dimensional plane made up of the x-axis and y-axis, two perpendicular number lines. Using the coordinates (x, y), which stand for the horizontal and vertical distances from the origin (the point where the x- and y-axes cross), it is possible to find locations in a two-dimensional space. The first quadrant, second quadrant, third quadrant, and fourth quadrant of the coordinate plane are designated in order anticlockwise.
Given that, she stayed at the first hole for the first 30 minutes. Then she drove away from the first hole for the next 2 hours.
The situation is best described by the graph 2, first quadrant of coordinate plane titled Marie's round of golf with the x axis labeled time in hours and the y axis labeled distance in miles, with a line segment from 0 comma 0 to one half comma 0, a line segment from one half comma 0 to 2 and a half comma 5, and a line segment from 2 and a half comma 5 to 4 and a half comma 0.
Hence, the second graph could represent Marie's situation.
Learn more about coordinate plane here:
https://brainly.com/question/13611766
#SPJ1
Answer:
the answer is the graph shone below
i took the test and IT WAS RIGHT
Step-by-step explanation:
have a good day!
Due nowww please help mee
Answer:
Step-by-step explanation:
I cant see
Transcribed image text: I pts Assume a businessman has 6 suits and 8 ties. He is planning to take 3 suits and 4 ties with him on his next business trip. How many possibilities of selection does he have? Question 27 6 pts Records of a company show that 20% of the employees have only a high school diploma; 70% have bachelor degrees; and 15% have graduate degrees. Of those with only a high school diploma, 10% hold management positions; whereas, of those having bachelor degrees, 60% hold management positions. Finally, 85% of the employees who have graduate degrees hold management positions. a. Create a tree diagram representing the above situation. (2 points) b. What percentage of employees hold management positions? (2 points) Given that a person holds a management position, what is the probability that she/he has a graduate degree? (2 points) C. Upload Choose a File
a. The tree diagram representing the above situation is illustrated below.
b. The percentage of employees hold management positions is 10%
c. The probability that she/he has a graduate degree is 85%.
In this case, the businessman can choose any 3 suits and 4 ties, so the number of combinations is equal to the number of ways of choosing 3 suits multiplied by the number of ways of choosing 4 ties.
This is equal to 6 x 8 = 48.
The records of the company also provide us with some useful information about the probability of holding a management position.
We can see that 20% of the employees have only a high school diploma and 10% of those employees hold management positions.
This means that the probability of holding a management position given that a person has a high school diploma is 10%.
Similarly, of those having bachelor degrees, 60% hold management positions, meaning the probability of holding a management position given that a person has a bachelor degree is 60%.
Lastly, 85% of the employees who have graduate degrees hold management positions, so the probability of holding a management position given that a person has a graduate degree is 85%.
To know more about probability here.
https://brainly.com/question/11234923
#SPJ4
solving systems of equations by substitution examples 3x + y = 13. 5x -2y = 7.
Answer:
x = 3, y = 4
Step-by-step explanation:
3x + y = 13
5x - 2y = 7
To solve by substitution, you solve one of the equations for a variable, and then plug it into the other equation.
I'm going to choose to solve the first equation for y, as that will be the easiest.
y = -3x + 13 (subtract 3x from both sides)
Now we plug this equation into the y in the second equation and solve for x.
5x - 2(-3x + 13) = 7 (distribute)
5x + 6x - 26 = 7 (combine like terms)
11x - 26 = 7 (add 26 to both sides)
11x = 33
x = 3
Now that we know x is 3, we can plug it in a solve either equation for y.
y = -3(3) + 13
y = -9 + 13
y = 4
Bonjour,
Pouvez vous m'aider s'il vous plait, c’est pour m’expliquer ceci: Il faut montrer que pour tout n de N, Un+1-Un=1/3(n+3-Un)
Je voudrais savoir comment on fait pour obtenir ceci: Un+1-Un= 2/3Un+1/3n+1 =-1/3Un+1/3n+1 =1/3(n+3-Un) Je ne comprends pas à partir de la 2eme ligne. Merci d’avance ^^
Bonjour !
Pour obtenir la deuxième ligne de l'équation que vous avez donnée, on peut tout simplement développer le terme Un+1 en utilisant la définition de Un+1 donnée par la relation de récurrence :
Un+1 = 2Un + 1/3(n+1)
En remplaçant Un+1 dans l'expression Un+1 - Un, on obtient :
Un+1 - Un = (2Un + 1/3(n+1)) - Un
On simplifie l'expression en combinant les termes similaires :
Un+1 - Un = 2Un - Un + 1/3(n+1)
Un+1 - Un = Un + 1/3(n+1)
Maintenant, pour obtenir la troisième ligne de l'équation, on peut factoriser Un - Un+1 en utilisant le signe moins :
Un - Un+1 = - (Un+1 - Un)
Un - Un+1 = - (Un+1 - 2Un - 1/3(n+1))
Un - Un+1 = - (-2Un - Un+1 - 1/3(n+1))
Un - Un+1 = 2/3Un + 1/3(n+1) - 1/3Un - 2/3Un - 1/3(n+1)
On simplifie à nouveau en combinant les termes similaires :
Un - Un+1 = -1/3Un + 1/3(n+1)
Enfin, pour obtenir la quatrième ligne de l'équation, on utilise l'associativité de l'addition pour regrouper les termes :
Un - Un+1 = -1/3Un + 1/3(n+1)
Un - Un+1 = 1/3(n+1) - 1/3Un
Un - Un+1 = 1/3(n+3 - Un)
J'espère que cela vous aide à comprendre la démonstration de cette relation de récurrence. N'hésitez pas à me poser d'autres questions si vous en avez besoin !
A dish has an area of 400 square inches. What is the length of the radius rounded to the nearest tenth of an inch?
Answer:
11.3 inches
4th option
Step-by-step explanation:
Area of a circular object = πr² where r = radius
Given area = 400 square inches,
πr² = 400 square inches
r² = 400/π
r = √(400/π)
r = 20/√π
= 11.3 inches rounded to one decimal place(tenth)
Can someone help me on this?
The correct linear equation for the table is,
⇒ y = - 5x - 2
What is Equation of line?The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
The table is shown in figure.
Now, Let two points from the table are (4, - 22) and (3, - 17).
Hence, Equation of linear function is,
⇒ y - (- 22) = (- 17 - (-22)) / (3 - 4) (x - 4)
⇒ y + 22 = (5/- 1) (x - 4)
⇒ y + 22 = - 5 (x - 4)
⇒ y + 22 = - 5x + 20
⇒ y = - 5x + 20 - 22
⇒ y = - 5x - 2
Thus, The correct linear equation for the table is,
⇒ y = - 5x - 2
Learn more about the equation of line visit:
https://brainly.com/question/18831322
#SPJ1
The graph below represents the prices, in dollars, of different numbers of pounds of regular bananas. The table below represents the prices, in dollars, of different numbers of pounds of organic bananas.
Which statement correctly compares the prices of regular bananas and organic bananas?
A. Organic bananas cost $0.50 more per pound.
B. Organic bananas cost $0.05 more per pound.
C. Regular bananas cost $0.08 more per pound.
D. Regular bananas cost $0.53 more per pound.
DUE TODAY HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
4. Suppose you lengthen the rope, then lay the hula hoop and the rope on the floor, with the rope arranged in a circle with the same center as the hula hoop. How much rope would you have to add in order to allow a person to lie down on the floor with their toes pointing towards the hula hoop and their head towards the rope, but toughing neither?
We need to add (t - 2πr) units of rope.
We have,
Let's call the radius of the hula hoop "r" and the distance from the center of the hula hoop to the rope "d".
We want to find the length of the rope we need to add in order to create a circle with radius "d" that is tangent to the hula hoop.
The distance between the center of the hula hoop and the center of the tangent circle is (r + d), so the diameter of the tangent circle is
2(r + d), and the length of the circle is 2π(r + d).
We want to find the value of d that will make the circle just touch the person's toes, so the radius of the tangent circle is equal to the length of the person's toes, which we'll call t.
So we have the equation:
2π(r + d) = t
Solving for d.
d = (t/2π) - r
The amount of rope we need to add is:
2πd = 2π((t/2π) - r) = t - 2πr
Thus,
We need to add (t - 2πr) units of rope.
Learn more about the tangent of a circle here:
https://brainly.com/question/31551758
#SPJ1
Mara earned $25 for two hours of babysitting. How much can she expect to earn for 5 hours of babysitting? Explain your reasoning.
hello,
we already know that for 2 hours of babysitting, Mara earned $25.
to find how much she'd make for 5 hours of babysitting:
divide 25 by 2 which gets us 12.50.
if mara were to babysit for 5 hours, she'd make $62.50.
I hope this was helpful =]
what is the best fit line
The best fit line is a straight line that reflects the best feasible estimate of the connection between two variables in a dataset in statistics and data analysis. The line is deemed to have the "best fit" since it minimises the difference between the observed data points and the line's anticipated values.
The method of least squares is the most often used approach for identifying the best fit line, which entails finding the line that minimises the sum of the squared differences between the observed data points and the corresponding predicted values on the line. This approach yields a linear equation of the form y = mx + b, where "m" represents the line's slope and "b" represents the y-intercept.
The best fit line may be used to anticipate the relationship between the variables in the dataset, as well as to detect any outliers or atypical data points that may be influencing the overall relationship. It is often used to evaluate data and create predictions in domains including as economics, engineering, and social sciences.
For more such questions on best fit line, click on:
https://brainly.com/question/17013321
#SPJ4
14. A manager of an apartment complex conducts a survey of the teenagers
in the building about what new activities they would like to see happen in the
community room on Saturdays for teens.
a. Are the data numerical or categorical?
Answer:
The data in this scenario would most likely be categorical, as the responses would likely consist of categories or labels that describe the different activities that the teenagers would like to see in the community room on Saturdays.
Step-by-step explanation:
For example, the responses might include categories such as "video games," "board games," "movie nights," "sports activities," "arts and crafts," and so on. These categories are not numerical values, but rather descriptive labels.
in one school, each class has 23 students and 1 teacher. how many total people are there in 10 classes
Answer: 240 people
Step-by-step explanation:
If each class has 23 students and 1 teacher then there are a total of 24 people in each class. Multiply that by 10 classes, you should get 240 people.
What is the coefficient
Answer:
A coefficient is a number that is multiplied by a variable or term in an algebraic expression.
Examples:
[tex]3x[/tex]
[tex]60x[/tex]
PLS ANSWER HURRY!!!!! ILL GIVE BRAINLEIST
List three sides to a right triangle. Explain how you can use the Pythagorean theorem to know that your three sides will create a right triangle.
Answer:
Step-by-step explanation:
A RIGHT triangle has TWO LEGS and a HYPOTENUSE ( the longest side)
Pythagorean Theorem for right triangles states:
Hypotenuse ^2 = Leg1 ^2 + Leg2 ^2
if you sub in the three sides of the triangle and this is TRUE , it is a RIGHT triangle .
what will be the value of x after the following code is executed? int x = 10; for (int y=5; y<20; y = 5) x = y;
The value of x after the following code 'int x = 10; for (int y=5; y<20; y = 5) x = y' is executed will be 5.
The given for loop initializes the variable y to 5, then checks if y is less than 20, and then sets y to 5 again in each iteration. This means that the loop will execute only once with the value of y being 5, and after that, the loop condition will always be false because y is never incremented or changed in any way.
During the execution of the loop, the value of y is assigned to the variable x. Therefore, after the loop, the value of x will be 5.
So, the final value of x will be 5.
For more questions on Algebra
https://brainly.com/question/432678
#SPJ4