Computing the Necessary Sample Size for an Interval Estimate of a Population

question 10

Multiple Choice

Computing the necessary sample size for an interval estimate of a population proportion requires a planning value for $\bar{p}$ . In case of any uncertainty about an appropriate planning value, we know the value that will provide the largest sample size for a given level of confidence and a given margin of error is

• A) .10
• B) .50
• C) .90
• D) 1

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