The population of IQ scores forms a normal distribution with a mean of µ = 100 and a standard deviat
Question: The population of IQ scores forms a normal distribution with a mean of µ = 100 and a standard deviation of ? = 15. What is the probability of obtaining a sample mean greater than M = 105,
a. for a random sample of n = 9 people?
b. for a random sample of n = 36 people?
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