suppose that the average annual income of a defense attorney is $150,000 with a standard deviation of $40,000. Assume that the income distribution is normal. What is the probability that the average annual income of a sample of 100 defense attorneys is more than $120,000?

suppose that the average annual income of a defense attorney is $150,000 with a standard deviation of $40,000. Assume that the income distribution is normal. What isthe probability that the average annual income of a sample of 100 defense attorneys is more than $120,000?

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