A waitress believes the distribution of her tips has a model that is slightly skewed to...
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A waitress believes the distribution of her tips has a modelthat is slightly skewed to the left​, with a mean of ​$9.20 and astandard deviation of ​$5.80. She usually waits on about 30 partiesover a weekend of work.
​A) Estimate the probability that she will earn at least​$350.
​B) How much does she earn on the best 10​% of such​ weekends?
A waitress believes the distribution of her tips has a modelthat is slightly skewed to the left​, with a mean of ​$9.20 and astandard deviation of ​$5.80. She usually waits on about 30 partiesover a weekend of work.
​A) Estimate the probability that she will earn at least​$350.
​B) How much does she earn on the best 10​% of such​ weekends?
Answer & Explanation Solved by verified expert
3.9 Ratings (515 Votes)
SolutionsaThe sample of 30 parties as larg enough the meantrip is with standard deviation since the conditions are satisfied the CLT allow us to model
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