A population of values has a normal distribution with 50 4 and o 51 8 A random sample of size n 230 is drawn a What is the mean

Question

A population of values has a normal distribution with 50 4 and o 51 8 A random sample of size n 230 is drawn a What is the mean of the distribution of sample means H b What is the standard deviation of the distribution of sample means Round your answer to two decimal places OF

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