Question: A) A normally distributed population has mean 75 and standard deviation 12 1) write the probability distribution 2) Random samples of size 200 are selected

A) A normally distributed population has mean 75 and standard deviation 12 1) write the probability distribution 2) Random samples of size 200 are selected . Find the mean and standard deviation of the sample mean 3) how would the answers to part 2) change if the size of samples were 500 instead of 200

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