Question: If all possible samples of size 16 are drawn from a normal population with mean equal to 50 and standard deviation equal to 5, what

If all possible samples of size 16 are drawn from a normal population with mean equal to 50 and standard deviation equal to 5, what is the probability that a sample mean X¯ will fall in the interval from μX¯ −1.9σX¯

to μX¯ −0.4σX¯ ? Assume that the sample means can be measured to any degree of accuracy.

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