Probability of obtaining a sample mean

Reference no: EM1316417

The population of IQ scores forms a normal distribution with mean of μ = 100 and a standard deviation of σ = 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: EM1316417

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