What is the probability of obtaining a sample mean

Reference no: EM1396035

The population of IQ scores forms a normal distribution with a mean of µ = 100 and a standard deviation of o = 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

Reference no: EM1396035

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