To Compute the Necessary Sample Size for an Interval Estimate

question 41

Multiple Choice

To compute the necessary sample size for an interval estimate of a population proportion, all of the following procedures are recommended when p is unknown except​

• A) ​use the sample proportion from a previous study.
• B) ​use the sample proportion from a preliminary sample.
• C) ​use 1.0 as an estimate.
• D) ​use judgment or a best guess.

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