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[Steps Shown] A population of scores forms a normal distribution with a mean of µ = 40 and a standard deviation of = 12. a. What is the probability of randomly

Question: A population of scores forms a normal distribution with a mean of µ = 40 and a standard deviation of = 12.
a. What is the probability of randomly selecting a score less than X=34?
b. What is the probability of selecting a sample of n=9 scores with a mean less than M=34?
c. What is the probability of selecting a sample mean of n=36 scores with a mean less than M=34?

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