# Question

a. How large a sample should be selected so that the margin of error of estimate for a 98% confidence interval for p is .045 when the value of the sample proportion obtained from a preliminary sample is .53?

b. Find the most conservative sample size that will produce the margin of error for a 98% confidence interval for p equal to .045.

b. Find the most conservative sample size that will produce the margin of error for a 98% confidence interval for p equal to .045.

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