SUBPART TO BE SOLVED (Multiple Choice Question) We want to estimate the percentage of all college students that like the food in their cafeteria. How many students must we survey if we want to be 90%...

SUBPART TO BE SOLVED (Multiple Choice Question)

We want to estimate the percentage of all college students that like the food in their cafeteria. How many students must we survey if we want to be 90% confident that the sample percentage is within

four

percentage points of the true population percentage?

a. What is the value of the critical value?

z Subscript alpha divided by 2 Baseline equals

1.6449

b. What is the desired margin of error? E =

0.04

(enter a decimal with 2 decimal places)

c. What is the sample size? n =

423

(enter a whole number)

d. Does the size of the population affect the sample size?

No,

the population size, does not appear in the formula.

Yes, the bigger the population, the bigger the sample size.

No, the sample size is only affected by the margin of error.

Yes, the sample size must be 90% of the population size.

Jun 10, 2022

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SUBPART TO BE SOLVED (Multiple Choice Question) We want to estimate the percentage of all college students that like the food in their cafeteria. How many students must we survey if we want to be 90%...

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SUBPART TO BE SOLVED (Multiple Choice Question) We want to estimate the percentage of all college students that like the food in their cafeteria. How many students must we survey if we want to be​ 90%...

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SUBPART TO BE SOLVED (Multiple Choice Question) We want to estimate the percentage of all college students that like the food in their cafeteria. How many students must we survey if we want to be 90%...