For each combination of sample size and sample proportion, find the margin of error for the 95% confidence level. (a) n=100 and p-hat=.56 (b) n=400 and p-hat=.56

Answer 1

a. E= 1.96 * sqrt((.56*.44/100)) = .09729

b. E= 1.96 * sqrt((.56*.44/400)) = .0486

Answer 2

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