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A) Given ˆp = 0.52 and z ∗ = 2.756. What is the required sample size...

A) Given ˆp = 0.52 and z ∗ = 2.756. What is the required sample size for a standard error of 0.023?

B) Assuming ˆp is unknown in part(a) above, What is the required sample size for a 95% confidence interval with a standard error of 0.023.

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