Question: A sample of size 42 will be drawn from a population with mean 52 and standard deviation 9. a. Is it appropriate to use the

A sample of size 42 will be drawn from a population with mean 52 and standard deviation 9.

a. Is it appropriate to use the normal distribution to find probabilities for x̄?

b. If appropriate find the probability that x̄ will be between 53 and 54.

c. If appropriate find the 45th percentile of x̄.

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