1. you are given a margin of error as 3 percentage points and a confidence level of 99%. if the sample percentage from a recent poll is 35%, find the minimum sample size to estimate a population proportion.

a.496

b.2579

c.1677

d.248

2. you are given e = 0.020, a confidence level of 90% and a sample proportion of 85% recent survey. find the minimum sample size to estimate a population proportion.

a.1225

b.259

c.5751

d.863

3. given n = 875 and p^ = 0.45, find the margin of error e that corresponds to a 95% confidence level

a.0.001

b.0.016

c.0.044

d.0.033