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=69​, find the...


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=69​, find the probability of a sample mean being less than 21.5 if μ=22 and σ=1.27.


Jun 08, 2022
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