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A waiter believe the distribution of his tips has a model that is slightly skewed to the left, with a mean of $9.20 and a standard deciation of $5.20. He waits on 40 parties over a weekend of work.

What is the probability that he will earn at least $400? (round 4 decimal places)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91001977

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