Sample Size in Statistics (How to Find it): Excel, Cochran's Formula, General Tips
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The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n=75, find the probability of a sample mean being greater than 224 if μ=223 and σ=6.1.A) For a sample of n=75, the probability of a sample mean being greater than 224 if μ=223 and σ=6.1 is ? (round to four decimal places as needed)
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