Mathematics

Arianna Kramer

28 February, 13:09

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