Question: An educator wants to construct a 95% confidence interval for the proportion of elementary school children in Colorado who are proficient in reading. Estimate the

An educator wants to construct a 95% confidence interval for the proportion of elementary school children in Colorado who are proficient in reading.

Estimate the sample size needed if no estimate of P is available

A sample of____ Elementary school children is needed to obtain a 95% confidence interval with a margin of error of 0.04.

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