Solved: Probability of obtaining a sample mean, Basic Statistics

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Probability of obtaining a sample mean

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,

For a random sample n = 9 people?

For a random sample of n = 36 people?

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Basic Statistics: Probability of obtaining a sample mean

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