Use the normal distribution to find a confidence interval


Use the normal distribution to find a confidence interval for a proportion  P given the relevant sample results. Give the best point estimate for P, the margin of error, and the confidence interval. Assume the results come from a random sample.

A  99 % confidence interval for the proportion who will answer ''Yes" to a question, given that 65  answered yes in a random sample of 85 people

A  confidence interval for the proportion who will answer ''Yes" to a question, given that  answered yes in a random sample of  people

Round your answers to three decimal places.

point estimate:

margin of error:

The  confidence interval:

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Basic Statistics: Use the normal distribution to find a confidence interval
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