1. The capacity of an elevator will be exceeded if 10 people have mean weights greater than 167 pounds. Suppose the people have weights that are normally distributed with a mean of 175 pounds with a standard deviation of 25 pounds. (15 points) Please write your answer in a complete sentence and draw a sketch. Use Table A-2.
a. Find the probability that if a person is randomly chosen his weight will be greater than 170 pounds.
b. Find the probability that 10 randomly selected people will have a sample mean weight that is greater than 185 pounds.
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