Determining the Minimum Sample Size.
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the -.1 population proportion is approximately p = 27%. You would like to be 95% confident that your estimate is within 5% the true population proportion.

How large of a sample size is required?

n =?

Determining the Minimum Sample Size.
You want to obtain a sample to estimate a population proportion. You have no reasonable estimate for the population-proportion p. You would like to construct a 95% confidence interval so that your interval estimate is within 2% of the • true population proportion.
How large of a sample size is required?
n =?

Answer rating: 100% (QA)

a Given p 027 Sample size Z 2 2 p 1p E 2 Where E is margin of ... View the full answer