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A waiter believes the distribution of his tips has a model that is slightly skewed to the right, with a mean of $9.80 and a standard deviation of $5.70. He usually waits on about 40 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 40 parties > $500) = (Round to four decimal places as needed.) b) The total amount that he earns on the best 10% of such weekends is at least $ (Round to two decimal places as needed.)

A waiter believes the distribution of his tips has a model that is slightly skewed to the right, with a mean of $9.80 and a standard deviation of $5.70. He usually waits on about 40 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 40 parties > $500) = (Round to four decimal places as needed.) b) The total amount that he earns on the best 10% of such weekends is at least $ (Round to two decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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A waiter believes the distribution of his tips has a model that is slightly skewed to the right, with a mean of $9.80 and a standard deviation of $5.70. He usually waits on about 40 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 40 parties > $500) = (Round to four decimal places as needed.) 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 right, with a mean of $9.80 and a standard deviation of $5.70. He usually waits on about 40 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 40 parties > $500) = (Round to four decimal places as needed.) 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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