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