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Suppose that we will take a random sample of size n from a population having mean and standard deviation . For each of the following

Suppose that we will take a random sample of sizenfrom a population having meanand standard deviation . For each of the following situations, find the mean, variance, and standard deviation of the sampling distribution of the sample mean:

(a)= 20, = 4,n= 32(Round your answers of"" and "²" to 4 decimal places.)

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