SOLUTION: A survey is conducted and shows a 66% approval rating with a margin of error of ± 2.5% based on a chosen confidence level of 99%. determine the approximate number of people that w

Algebra ->  Probability-and-statistics -> SOLUTION: A survey is conducted and shows a 66% approval rating with a margin of error of ± 2.5% based on a chosen confidence level of 99%. determine the approximate number of people that w      Log On


   

Question 1177922: A survey is conducted and shows a 66% approval rating with a margin of error of ± 2.5% based on a chosen confidence level of 99%. determine the approximate number of people that were surveyed
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
n = %28z%2FME%29%5E2+%28p%281-p%29%29%29
n = %282.576%2F.025%29%5E2+%28.66%28.34%29%29%29 = 1681.77 0r 1682 rounded up to next whole number
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