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?
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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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