# Question

A population is normally distributed, with a mean of 23.45 and a standard deviation of 3.8.What is the probability of each of the following?

a. Taking a sample of size 10 and obtaining a sample mean of 22 or more

b. Taking a sample of size 4 and getting a sample mean of more than 26.

a. Taking a sample of size 10 and obtaining a sample mean of 22 or more

b. Taking a sample of size 4 and getting a sample mean of more than 26.

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