Sampling - Determining Sample Size from Probability Conditions

Sampling - Determining Sample Size from Probability Conditions

A large number of samples of size \(n\) are taken from a normal population with mean \(74\) and standard deviation \(6\). It was found that \(28.2\%\) of the samples have sample mean that exceeds \(75\). Estimate the value of \(n\).

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Answer:\(n=12\)

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