Mathematics, 05.03.2021 02:30, ayoismeisjjjjuan

A waiter believes the distribution of his tips has a model that is slightly skewed to the left, with a mean of $8.90 and a standard deviation of $4.10. He usually waits on about 40 parties over a weekend of work.
a) Estimate the probability that he will earn at least $400,
b) How much does he earn on the best 5% of such weekends?

Answers: 3

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A waiter believes the distribution of his tips has a model that is slightly skewed to the left, with...