Determine the probability that the sample mean is greater


Suppose that X is a discrete uniform random variable, with pmf equal to .2 for values of x = 1, 2, 3, 4 and 5. Determine the probability that the sample mean is greater than 2 but less than 4, if you select a random sample of size n = 40.

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Basic Statistics: Determine the probability that the sample mean is greater
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