What is the minimum sample size, n, that he needs in

order to meet these requirements? Complete the

statements

The value of 3% represents the

A political analyst conducted a preliminary poll of

randomly selected business workers. He asked them if

candidate A or B has a better policy on retirement age.

His preliminary poll showed an estimated population

proportion value of 0.41 of people who prefer candidate

A's policy

The analyst would like to conduct a second survey and

obtain more precise results with a 95% confidence level

(z score = 1.96). He would like his estimate to be within

3% of the true population,

in the formula n = " (1-"). the value of

(1 - is

When n is calculated, the result after rounding is

Question

Mathematics

Pamela Weiss

19 August, 14:56

What is the minimum sample size, n, that he needs in

order to meet these requirements? Complete the

statements

The value of 3% represents the

A political analyst conducted a preliminary poll of

randomly selected business workers. He asked them if

candidate A or B has a better policy on retirement age.

His preliminary poll showed an estimated population

proportion value of 0.41 of people who prefer candidate

A's policy

The analyst would like to conduct a second survey and

obtain more precise results with a 95% confidence level

(z score = 1.96). He would like his estimate to be within

3% of the true population,

in the formula n = " (1-"). the value of

(1 - is

When n is calculated, the result after rounding is

+1

Answers (2)

Know the Answer?

Hunter Hudson · Answer 1

Hunter Hudson 19 August, 15:36

0

b. margin of error

c. 0.59

a. 1033

Kendrick Buck · Answer 2

-The value of 3% represents the margin of error

- 1 - (p hat) is 0.59

- When n is calculated, the result after rounding is 1,033

Step-by-step explanation:

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