A waiter believes the distribution of his tips has a model that is slightly skewed to the left, with a mean of $8.30 and a standard deviation of $5.90 He usually waits on about 50 parties over a weekend of work. a) Estimate the probability that he will earn at least $500. b) How much does he earn on the best 10% of such weekends? a) P(tips from 50 parties > $500) = (Round to four decimal places as needed.) GLOB b) The total amount that he earns on the best 10% of such weekends is at least $ (Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A waiter believes the distribution of his tips has a model that is slightly skewed to the left, with a mean of $8.30 and a standard deviation of $5.90.
He usually waits on about 50 parties over a weekend of work.
a) Estimate the probability that he will earn at least $500.
b) How much does he earn on the best 10% of such weekends?
a) P(tips from 50 parties > $500) =
(Round to four decimal places as needed.)
AMWA
b) The total amount that he earns on the best 10% of such weekends is at least $.
(Round to two decimal places as needed.)
Transcribed Image Text:A waiter believes the distribution of his tips has a model that is slightly skewed to the left, with a mean of $8.30 and a standard deviation of $5.90. He usually waits on about 50 parties over a weekend of work. a) Estimate the probability that he will earn at least $500. b) How much does he earn on the best 10% of such weekends? a) P(tips from 50 parties > $500) = (Round to four decimal places as needed.) AMWA b) The total amount that he earns on the best 10% of such weekends is at least $. (Round to two decimal places as needed.)
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