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A waitress believes the distribution of her tips has a model that is slightly skewed to the right, with a mean of $10.80 and a standard deviation of $6.40. She usually waits on about 30 parties over a weekend of work. a) Estimate the probability that she will earn at least $350. b) How much does she earn on the best 1% of such weekends? ..... a) P(tips from 30 parties > $350) = (Round to four decimal places as needed.) b) The total amount that she earns on the best 1% of such weekends is at least $ (Round to two decimal places as needed.)

A waitress believes the distribution of her tips has a model that is slightly skewed to the right, with a mean of $10.80 and a standard deviation of $6.40. She usually waits on about 30 parties over a weekend of work. a) Estimate the probability that she will earn at least $350. b) How much does she earn on the best 1% of such weekends? ..... a) P(tips from 30 parties > $350) = (Round to four decimal places as needed.) b) The total amount that she earns on the best 1% 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
Section10.4: Distributions Of Data
Problem 19PFA
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A waitress believes the distribution of her tips has a model that is slightly skewed to the right, with a mean of $10.80 and a standard deviation of $6.40. She usually waits on about 30 parties over a weekend of work. a) Estimate the probability that she will earn at least $350. b) How much does she earn on the best 1% of such weekends? a) P(tips from 30 parties > $350) = (Round to four decimal places as needed.) b) The total amount that she earns on the best 1% of such weekends is at least $ (Round to two decimal places as needed.)
Transcribed Image Text:A waitress believes the distribution of her tips has a model that is slightly skewed to the right, with a mean of $10.80 and a standard deviation of $6.40. She usually waits on about 30 parties over a weekend of work. a) Estimate the probability that she will earn at least $350. b) How much does she earn on the best 1% of such weekends? a) P(tips from 30 parties > $350) = (Round to four decimal places as needed.) b) The total amount that she earns on the best 1% of such weekends is at least $ (Round to two decimal places as needed.)
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