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89. Salaries for managers in a restaurant chain are normally distributed with a mean of $44,000 and a standard deviation of $6,500. We randomly

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89. Salaries for managers in a restaurant chain are normally distributed with a mean of $44,000 and a standard deviation of $6,500. We randomly survey 10 managers from that district. a. Find the 90th percentile for an individual manager's salary. b. Find the 90th percentile for the average manager's salary.

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