Confidence interval used to estimate population proportion

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Reference no: EM1315870

Find the sample size for the 95% confidence interval used to estimate the population proportion.

Margin of error: 0.07: confidence level: 90%; from a prior study, p is estimated by 0.22.

A) 285a

B) 7

C) W

D) 95

Reference no: EM1315870

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