Short Answer
Suppose that the average annual income of a lawyer is $150 000 with a standard deviation of $40 000. Assume that the income distribution is normal.
a. What is the probability that the average annual income of a sample of 5 lawyers is more than $120 000?
b. What is the probability that the average annual income of a sample of 15 lawyers is more than $120 000?
Correct Answer:
Verified
Correct Answer:
Verified
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