A store has 11.2 kg of potatoes. Maria buys 572 g of potatoes from the store and Colin buys 1.42 kg of potatoes from the store.
After these two purchases, how many grams of potatoes does the store have left?

The 5-year ROI (Return on Investment) from the implementation of the project can be calculated by determining the total savings over the 5-year period and comparing it to the initial investment and training costs.

The project yields monthly savings of $4,000 beginning 4 months after implementation.

To calculate the 5-year ROI, we need to determine the total savings over the 5-year period.

First, we calculate the number of months in 5 years, which is 60 months. Since the savings begin 4 months after implementation, we subtract those 4 months.

So, the total number of months with savings is 56 months.

Next, we multiply the monthly savings of $4,000 by the number of months to obtain the total savings over the 5-year period.

56 months multiplied by $4,000 gives us a total savings of $224,000.

To calculate the 5-year ROI, we subtract the initial investment and training costs from the total savings.

The initial investment is $42,000, and the training costs are $2,000. Therefore, the total cost is $44,000.

Finally, we calculate the ROI by dividing the net savings ($224,000 - $44,000 = $180,000) by the total cost ($44,000) and multiplying by 100 to express it as a percentage.

The ROI is then ($180,000 / $44,000) * 100 = 409.09%.

Therefore, the 5-year ROI from the implementation of the project is 409.09%.

This indicates a positive return on the initial investment and training costs, suggesting that the project is financially beneficial over the 5-year period.

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To determine the probability of an adult crested gecko licking its eyelids 5 times in the next hour, a statistical approach using the Poisson distribution can be used.

The Poisson distribution is commonly used to model the number of events occurring within a fixed interval of time or space when the events are rare and random. In this case, we can consider each lick of the gecko's eyelids as an independent event occurring with a fixed average rate of 3.7 licks per hour.

Using the Poisson distribution, we can calculate the probability of observing a specific number of events (in this case, 5 eyelid licks) within a given interval (1 hour) based on the average rate.

By plugging in the average rate (λ = 3.7) into the Poisson probability formula, we can calculate the probability of the gecko licking its eyelids exactly 5 times in the next hour. The result will provide an estimate of the likelihood of this specific event occurring.

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When a client who plays tennis is experiencing elbow discomfort and receives a diagnosis of tendinitis, epicondylitis, or tennis elbow, they may exhibit specific symptoms and signs associated with these conditions.

Tendinitis, also known as inflammation of the tendon, is a common diagnosis for tennis players. Symptoms may include pain and tenderness in the outer or inner side of the elbow joint, swelling, and limited range of motion. The pain is typically worsened during activities that involve gripping or twisting motions, such as gripping a tennis racket.

Epicondylitis, specifically lateral epicondylitis or tennis elbow, is characterized by pain and inflammation in the tendons that connect the forearm muscles to the outer side of the elbow. Symptoms typically include pain and tenderness on the outer side of the elbow, weak grip strength, and pain with wrist extension or lifting objects.

Common signs observed in these conditions may include localized swelling, redness, and warmth around the affected area. The client may also experience discomfort during specific movements, such as gripping objects or performing repetitive wrist and forearm motions.

It's important to note that a proper assessment and diagnosis should be made by a healthcare professional to accurately determine the client's condition and develop an appropriate treatment plan.  

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These economic analyses enable the car manufacturer to optimize its business operations, adapt to market conditions, and strategically plan its growth and expansion in the United States.

The company aims to assess the overall economic health of the United States, including factors such as GDP growth, consumer spending, inflation rates, and employment levels. By conducting these analyses, the car manufacturer seeks to make informed decisions regarding its pricing strategies, production levels, and market positioning.

The economic analyses provide the car manufacturer with valuable insights into the current and projected economic conditions in the United States. For instance, by monitoring GDP growth, the company can gauge the overall market demand for cars and adjust its production accordingly. Understanding consumer spending patterns helps the manufacturer determine the affordability and demand for its vehicles in different segments. Additionally, analyzing inflation rates allows the company to anticipate cost fluctuations and make pricing decisions that align with market trends. Employment levels provide insights into the purchasing power of consumers and their propensity to buy new cars.

Overall, these economic analyses enable the car manufacturer to optimize its business operations, adapt to market conditions, and strategically plan its growth and expansion in the United States. By staying informed about economic indicators and trends, the company can position itself competitively and make informed decisions that align with the prevailing economic climate.

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Answer:

Like a standard normal distribution (or z-distribution), the t-distribution has a mean of zero. The normal distribution assumes that the population standard deviation is known. The t-distribution does not make this assumption. The t-distribution is defined by the degrees of freedom.

The Articles of Confederation represented the Americans' distrust of a strong central government.

The Articles of Confederation, which served as the first constitution of the United States from 1781 to 1789, reflected the sentiments and concerns of the American people during the early years of the nation. One of the primary reasons behind the establishment of the Articles of Confederation was the deep-seated distrust of a strong central government.

After gaining independence from British rule, many Americans were wary of creating a powerful central authority that could potentially abuse its powers and infringe upon individual liberties. The experiences under British interest, such as excessive taxation and lack of representation, had led to a desire for greater autonomy and self-governance among the states.

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The probability that the student completely knows how to do the question, given the observation that they got it correct, is approximately 0.7333 (or 73.33%).

To find the probability that the student completely knows how to do the question given the observation that they got it correct, we can use Bayes' theorem.

Let's define the events:

A: Student completely knows how to do the question

B: Student gets the question correct

We want to find P(A|B), the probability that the student completely knows how to do the question given that they got it correct.

According to Bayes' theorem:

P(A|B) = (P(B|A) * P(A)) / P(B)

P(B|A) = Probability of getting the question correct given that the student completely knows how to do it = 0.99

P(A) = Probability that the student completely knows how to do the question = 0.25

P(B) = Probability of getting the question correct (regardless of knowing or not knowing) = P(B|A) * P(A) + P(B|not A) * P(not A)

P(B|not A) = Probability of getting the question correct given that the student does not know how to do it = 0.25

P(not A) = Probability that the student does not know how to do the question = 0.60

Plugging in the values, we can calculate:

P(B) = 0.99 * 0.25 + 0.50 * 0.15 + 0.25 * 0.60 = 0.3375

Finally, calculating P(A|B) using Bayes' theorem:

P(A|B) = (0.99 * 0.25) / 0.3375 ≈ 0.7333

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A good approximation for the standard deviation of the x values (age at which a refrigerator is replaced) is approximately 2 years.

To find a good approximation for the standard deviation of x values, we can use the range and the concept of the empirical rule, also known as the 68-95-99.7 rule.

According to the 99.7% range mentioned, which spans from 8 to 20 years, we can infer that this range represents approximately three standard deviations on each side of the mean. This implies that 99.7% of the data falls within three standard deviations of the mean in a normal distribution.

Using this information, we can set up an equation to find the standard deviation (σ) based on the range:

Range = 6σ

Dividing both sides of the equation by 6, we get:

σ = Range / 6

Plugging in the range of 20 - 8 = 12 years into the equation, we can calculate the standard deviation:

σ = 12 / 6 = 2 years

Therefore, a good approximation for the standard deviation of the x values (age at which a refrigerator is replaced) is approximately 2 years.

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As(S,t,r) represents the partial derivative of the amount in the account with respect to the initial deposit S. It gives the rate at which the account balance changes with respect to the initial deposit.

A(100,5,0.03) represents the amount in the account after 5 years with an initial deposit of $100 and a continuous yearly interest rate of 3%. In this case, the amount in the account is approximately $115.26.

To find As(S,t,r), we need to differentiate the function A(S,t,r) = Sert with respect to S. This will give us the partial derivative with respect to S.

Let's calculate it:

A(S,t,r) = Sert

To find the partial derivative with respect to S, we treat t and r as constants while differentiating with respect to S:

∂A/∂S = ∂/∂S (Sert)

Using the power rule of differentiation, we get:

∂A/∂S = rt * S^(t-1) * e^(rt)

So, As(S,t,r) = rt * S^(t-1) * e^(rt)

Now, let's calculate A(100,5,0.03):

A(S,t,r) = Sert

A(100,5,0.03) = 100 * e^(0.03*5)

Using a calculator, we can compute this value:

A(100,5,0.03) ≈ 100 * e^(0.15) ≈ 115.26

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The correct answer is  ITIL (Information Technology Infrastructure Library). The acronym that best fits this description is "ITIL" or Information Technology Infrastructure Library.

ITIL is a framework that provides guidelines for IT service management and includes a set of best practices for managing IT services. ITIL helps organizations to achieve their objectives by establishing appropriate controls to ensure minimum errors and maximizing the benefits of an information system. ITIL (Information Technology Infrastructure Library) is a set of best practices that helps an organization to maximize the benefits of an information system, while at the same time establishing appropriate controls to ensure minimum errors.

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Answer:

The answer is 115.50 sq. mm.

Step-by-step explanation:

The results from the Family Lifestyles Project suggest that children raised by counterculture parents differ from those raised by parents with more traditional values.

The Family Lifestyles Project conducted research to explore the differences between children raised by counterculture parents and those raised by parents with more traditional values. The findings indicate that these two groups of children exhibit distinct characteristics and behaviors.

Children raised by counterculture parents, who embrace non-conventional or alternative lifestyles, may experience different socialization processes and environments compared to children raised by parents with traditional values. These children may have been exposed to unique belief systems, values, and practices that deviate from societal norms.

As a result, the study suggests that children raised by counterculture parents may demonstrate variations in their attitudes, beliefs, behaviors, and lifestyle choices. This could manifest in different educational preferences, career aspirations, social interactions, and perspectives on various social issues.

Overall, the research highlights the influence of parental values and lifestyles on child development and emphasizes the potential impact of counterculture parenting on shaping children's identities and behaviors.

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The manager's survey suffers from option A. Nonresponse Bias.

Nonresponse bias occurs when individuals chosen for a survey refuse to participate or are unable to be reached. In this case, 25 out of the 100 randomly selected people chose not to participate in the survey.

Nonresponse bias can introduce a distortion in the survey results because the individuals who choose not to participate may have different preferences or characteristics compared to those who do participate.

It is possible that those who declined to take part have different favorite rides than those who completed the survey, leading to an incomplete representation of the park visitors' preferences.

This bias can affect the accuracy and representativeness of the survey findings. To mitigate nonresponse bias, the manager could try to understand the reasons behind the nonresponse and potentially adjust the survey design or sampling method to ensure a more comprehensive and representative sample.

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To prove the equation

[tex]\sf\:\frac{1 + \sin(2\theta) - \cos(2\theta)}{1 + \sin(2\theta) + \cos(2\theta)} = \tan(\theta)\\[/tex], we will simplify the left-hand side and show that it is equal to the right-hand side.

Starting with the left-hand side:

[tex]\sf\:\frac{1 + \sin(2\theta) - \cos(2\theta)}{1 + \sin(2\theta) + \cos(2\theta)} \\[/tex]

Let's manipulate the numerator first. Using the double-angle identities, we have:

[tex]\sf\:\sin(2\theta) = 2\sin(\theta)\cos(\theta) \\[/tex]

[tex]\sf\:\cos(2\theta) = \cos^2(\theta) - \sin^2(\theta) = 1 - 2\sin^2(\theta) \\[/tex]

Substituting these expressions into the numerator:

[tex]\sf\:1 + \sin(2\theta) - \cos(2\theta) = 1 + 2\sin(\theta)\cos(\theta) - (1 - 2\sin^2(\theta)) \\[/tex]

Simplifying the numerator:

[tex]\sf\:1 + 2\sin(\theta)\cos(\theta) - 1 + 2\sin^2(\theta) = 2\sin(\theta)\cos(\theta) + 2\sin^2(\theta) \\[/tex]

Factoring out a common factor of 2:

[tex]\sf\:2(\sin(\theta)\cos(\theta) + \sin^2(\theta)) \\[/tex]

Using the identity [tex]\sf\:\sin^2(\theta) = 1 - \cos^2(\theta) [/tex], we can rewrite the numerator as:

[tex]\sf\:2(\sin(\theta)\cos(\theta) + (1 - \cos^2(\theta))) \\[/tex]

Simplifying further:

[tex]\sf\:2(\sin(\theta)\cos(\theta) + 1 - \cos^2(\theta)) \\[/tex]

Now, let's simplify the denominator:

[tex]\sf\:1 + \sin(2\theta) + \cos(2\theta) = 1 + 2\sin(\theta)\cos(\theta) + (1 - 2\sin^2(\theta)) \\[/tex]

Simplifying the denominator:

[tex]\sf\:1 + 2\sin(\theta)\cos(\theta) + 1 - 2\sin^2(\theta) = 2\sin(\theta)\cos(\theta) + 2(1 - \sin^2(\theta)) \\[/tex]

Using the identity [tex]\sf\:\sin^2(\theta) = 1 - \cos^2(\theta)[/tex], we can rewrite the denominator as:

[tex]\sf\:2\sin(\theta)\cos(\theta) + 2(1 - \cos^2(\theta))\\[/tex]

Simplifying further:

[tex]\sf\:2\sin(\theta)\cos(\theta) + 2 - 2\cos^2(\theta) \\[/tex]

Now, we can substitute the simplified numerator and denominator back into the original equation:

[tex]\sf\:\frac{2(\sin(\theta)\cos(\theta) + 1 - \cos^2(\theta))}{2\sin(\theta)\cos(\theta) + 2 - 2\cos^2(\theta)}\\[/tex]

Canceling out the common factors of 2 in the numerator and denominator:

[tex]\sf\:\frac{\sin(\theta)\cos(\theta) + 1 - \cos^2(\theta)}{\sin(\theta)\cos(\theta) + 1 - \cos^2(\theta)}\\[/tex]

Simplifying further, we can see that the numerator and denominator are equal:

[tex]1[/tex]

Therefore, we have shown that:

[tex]\sf\:\frac{1 + \sin(2\theta) - \cos(2\theta)}{1 + \sin(2\theta) + \cos(2\theta)} = 1\\[/tex]

And since [tex]\sf\:1 = \tan(\theta)[/tex], we have proven the original equation:

[tex]\frac{1 + \sin(2\theta) - \cos(2\theta)}{1 + \sin(2\theta) + \cos(2\theta)} = \tan(\theta)\\[/tex]

Answer:

---------------------

Find the area of the four walls:

Find the area of the (window and door) openings:

Convert it to ft² (1 ft = 12 in):

Subtract it from total area of walls:

Convert the area to be painter to square yards (1 yd = 3 ft:

An increase in the rate of inflation will increase the nominal interest rate while lowering the real interest rate.

When the rate of inflation rises, it affects both the nominal and real interest rates. The nominal interest rate is the stated or observed interest rate, while the real interest rate is adjusted for inflation and represents the purchasing power of the interest earned or paid. Inflation erodes the purchasing power of money over time.

As inflation increases, lenders and investors demand higher nominal interest rates to compensate for the expected loss in purchasing power. However, while the nominal interest rate rises, the real interest rate, which takes inflation into account, decreases because the purchasing power of the interest earned or paid is reduced.

In summary, an increase in the rate of inflation will result in an increase in the nominal interest rate but a decrease in the real interest rate due to the erosion of purchasing power caused by inflation.

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There are approximately 27,735 shoppers in the store at the end of the sale (t = 12).

What is a function?

A function is a mathematical concept that relates a set of inputs (called the domain) to a set of outputs (called the range). It is a rule or relationship that assigns a unique output value to each input value. In other words, for every input, there is exactly one corresponding output.

A function is typically denoted by a symbol, such as "f," followed by parentheses containing the input value. The output value is obtained by applying the rule or formula defined by the function to the input value.

To determine the number of shoppers in the store at the end of the sale (t = 12), we need to calculate the net change in the number of shoppers from the beginning of the sale to the end.

The net change in the number of shoppers is obtained by subtracting the number of shoppers leaving the store from the number of shoppers entering the store during the 12-hour sale.

Using the provided functions, we have:

[tex]S(t) = 0.5t^4 - 16t^3 + 144t^2[/tex] (number of shoppers entering the store)

[tex]L(t) = -80 + \frac{4400}{t^2 - 14t + 55}[/tex] (number of shoppers leaving the store)

To find the number of shoppers at the end of the sale (t = 12), we can calculate:

[tex]Number of shoppers =\int\limits^{12}_0(S(12) -L(t) )dt[/tex]

Substituting the values into the equation:

[tex]Number of shoppers =\int\limits^{12}_0 (S(12) - (-80 + \frac{4400}{t^2 - 14t + 55}))dt[/tex]

Evaluating the integral and substituting t = 12:

[tex]Number of shoppers =[(0.1t^5-4t^4+t^3 )- (-80t + {ln|t-11|-ln|t-5|})][/tex] evaluate from 0 to 12.

Calculating further:

[tex]Number of shoppers = 24883.2 - [-80(12) +\frac{2200}{3}[ {ln|12-11|-ln|12-5|}]] + [-80(0) +\frac{2200}{3} [ {ln|0-11|-ln|0-5|}]][/tex]

Number of shoppers = 24883.2 - [-2273.95 ] + 578.2

Finally, we need to substitute t = 12 into the S(t) function to obtain the number of shoppers:

Number of shoppers = 24883.2+2852.15

Calculating:

Number of shoppers ≈ 27,735

Therefore, according to the model, there are approximately  27,735 shoppers in the store at the end of the sale (t = 12).

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Step-by-step explanation:

Probably a cylinder would work best

volume of a cylinder = pi r^2 h

Igor's total closed-end credit for the car will be $9,322.54.

Based on the information provided, the table shows Igor's payment plan for a used car over the course of three years. In the first year, the balance is $245.33.

In the second year, the same balance of $245.33 remains, and an additional monthly payment is made. Finally, in the third year, the balance remains at $245.33.

To calculate Igor's total closed-end credit for the car, we need to sum up the end-of-year balances for each year From the table, the end-of-year balance for the first year is not provided.

Therefore, the end-of-year balances for the first, second, and third years are $245.33, $8,831.88, and $245.33, respectively.

Adding up these balances, we get $245.33 + $8,831.88 + $245.33 = $9,322.54.

Therefore, Igor's total closed-end credit for the car is $9,322.54.

In summary, Igor's total closed-end credit for the car is $9,322.54.

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After condense the logarithm we get;

⇒ log (dˣ / g)

We have to given that;

Expression to simplify is,

⇒ x log d - log g

Now, We can condense the logarithm as,

⇒ x log d - log g

Since, n log m = log mⁿ

⇒ log dˣ - log g

Since, log m - log n = log (m/n)

⇒ log (dˣ / g)

Thus, After condense the logarithm we get;

⇒ log (dˣ / g)

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The surface area of the cone when the slant height is halved, 31.66·π m² is decreased less than when the radius is halved, which produces a surface area of 20.33·π

The surface area of a circular cone is the sum of the surface area of the base of the cone and the curved surface area of the cone.

The radius of the cone = 3.8 meters

The height of the cone = 8.8 meters

The surface area of a circular cone is; S.A. = π·r·s + π·r²

Therefore, S.A. = π·(3.8) × 8.8 + π·(3.8)² = 47.88·π

The surface area, S.A.₁ when the radius is halved is therefore;

S.A.₁ = π·(r/2)·s + π·(r/2)²

Therefore, S.A.₁ = π·(3.8/2) × 8.8 + π·(3.8/2)² = 20.33·π

The surface area, S.A.₂ when the radius is halved is therefore;

S.A.₂ = π·r·s/2 + π·r²

Therefore, S.A.₂ = π·3.8 × 8.8/2 + π·(3.8)² = 31.66·π

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Answer:

Step-by-step explanation:

To increase the difference between 456.674 and 234.458 by 345.856, we follow the following steps :

Step 1: Subtract 456.674 from 234.458 and,

Step 2:  Add 345.856 to the result.

so,  456.674 - 234.458 = 222.216

222.216 + 345.856 = 568.072

Therefore, the increased difference between 456.674 and 234.458 by 345.856 is 568.072

The sentences cover topics such as opinions on T.S. Eliot's poetry, the experience of reading folktales, Kadijah's ability to recite poems, personal preferences in fiction genres, and Ms. Noris' love for reading.

The item bank contains a range of sentence types, providing a diverse set of sentence structures and ideas. The sentences convey different information, including opinions, experiences, abilities, and preferences.

In terms of sentence types:

The first sentence is a compound sentence, presenting contrasting opinions about T.S. Eliot's poems.

The second sentence is a complex sentence, describing how Kadijah and Cal realized the interesting nature of folktales.

The third sentence is a simple sentence, stating Kadijah's ability to recite poems and its effect on her friends.

The fourth sentence is a compound-complex sentence, expressing personal preferences in fiction genres.

The fifth sentence is a simple sentence, highlighting Ms. Noris' broad interest in reading.

Overall, the item bank covers a range of sentence structures and topics, providing a comprehensive assessment of sentence construction and comprehension.

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Answer:

_______________

Similar shapes have same ratio of corresponding sides.

Compare ratios and find the missing value:

The value of w is 44.

The smallest length possible is 6.1 cm

In an acute isosceles triangle, all three angles are less than 90 degrees and two sides are congruent. The longest side, also known as the base, is opposite the vertex with the largest angle.

Since the triangle is isosceles, the two congruent sides are of equal length. Let's assume the length of one of these congruent sides is 'x'.

According to the triangle inequality theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. In this case, the sum of the lengths of the two congruent sides must be greater than the length of the longest side.

So, we have the following inequality: 2x > 12

Dividing both sides by 2, we get: x > 6 Therefore, the smallest possible length for one of the congruent sides is greater than 6 centimeters. Rounded to the nearest tenth, the answer is 6.1 cm.

Hence, the correct answer is 6.1 cm.

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[tex]_{12}C_4=\dfrac{12!}{4!8!}=\dfrac{9\cdot10\cdot11\cdot12}{2\cdot3\cdot4}=495[/tex]

Answer:

x = 6

y = - 4

Step-by-step explanation:

3x + 4y = 2

2x + 2y = 4

Time the second equation by -2

3x + 4y = 2

-4x - 4y = - 8

-x = -6

x = 6

Now we put 6 in for x and solve for y

3(6) + 4y = 2

18 + 4y = 2

4y = -16

y = - 4

Let's Check

3(6) + 4(-4) = 2

18 - 16 = 2

2 = 2

So, x = 6 and y = -4 is the correct answer.

The measure of a is 32.89.

The measure of c is 40.35

The measure of B is 34.75°.

We have,

Tan = Perpendicular / Base

So,

Tan 55 = a / 23

And,

1.43 = a/23

a = 1.43 x 23

a = 32.89

Now,

Cosine = Base / Hypotenuse

Cos 55 = 23/ c

0.57 = 23/c

c = 23/0.57

c = 40.35

Now,

Sin B = 23/c

Sin B = 23/40.35

Sin B = 0.57

[tex]B = Sin ^{-1}0.57[/tex]

B = 34.75°

Thus,

The measure of a is 32.89.

The measure of c is 40.35

The measure of B is 34.75°.

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The present value of a lottery prize that consists of 20 equal payments of $50,000, with the first payment received today and a discount rate of 8%, is approximately $616,935.34.

The present value of the prize can be calculated using the formula for present value of an annuity. An annuity is a series of equal cash flows received at regular intervals. In this case, the cash flows are the 20 equal payments of $50,000. The discount rate is 8%, which represents the rate of return required to compensate for the time value of money and risk.

To calculate the present value, each cash flow is discounted back to its present value and then summed. The present value of each payment decreases over time due to the discount rate. The formula used to calculate the present value of an annuity is:

Present Value = C × [(1 -[tex](1 + r)^(-n)) / r[/tex]]

Where:

C = Cash flow per period ($50,000)

r = Discount rate (8% or 0.08)

n = Number of periods (20)

Plugging the values into the formula, the present value of the prize is approximately $616,935.34. This means that if the winner were to receive a lump sum of money equal to the present value, invested at an 8% annual rate of return, it would be equivalent to receiving the 20 equal payments of $50,000.

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B. simple random sample is the option that is not a nonprobability sampling technique.

What is sample?

In statistics, a sample refers to a subset of individuals, items, or data points that are selected from a larger population.

B. simple random sample

A simple random sample is a type of probability sampling technique. In a simple random sample, each element in the population has an equal chance of being selected. It involves randomly selecting individuals from the population without any bias or specific criteria.

The other options listed are nonprobability sampling techniques:

A. Convenience sample: This involves selecting individuals who are readily available or convenient to participate in the study. It does not guarantee a representative sample of the population.

C. Judgment sample: In a judgment sample, the researcher uses their judgment or expertise to select participants who they believe will provide valuable insights or represent the population of interest. It is a subjective method and may introduce bias.

D. Snowball sample: A snowball sample is a technique where participants are recruited through referrals from existing participants. The initial participants refer others who meet the criteria, and the sample grows like a snowball. This method is often used when the population of interest is difficult to reach or locate.

E. Quota sample: In a quota sample, the researcher selects individuals based on predetermined quotas or specific characteristics to ensure representation from different subgroups of the population. It does not involve random selection and may introduce bias.

Therefore, B. simple random sample is the option that is not a nonprobability sampling technique.

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