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An unknown distribution has a mean of 40 and a standard deviation of eight. Samples of size n = 30 are drawn randomly from the

An unknown distribution has a mean of 40 and a standard deviation of eight. Samples of size n= 30 are drawn randomly from the population. Find the probability that the sample mean is between 40 and 52.

Lower bound=40

Upper bound=52

Mean=40

Standard Deviation=8

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