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