A waiter believes the distribution of his tips has a model that is slightly skewed to...
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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 $10.70 and a standard deviation of $6.60. He usually waits on about 50 parties over a weekend of work. a) Estimate the probability that he will earn at least $600. b) How much does he earn on the best 5% of such weekends? a) P(tips from 50 parties > $600) = A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $35 and a standard deviation of $19. Suppose the store had 300 customers this Sunda a) Estimate the probability that the store's revenues were at least $10,800. b) If, on a typical Sunday, the store serves 300 customers, how much does the store take in on the worst 1% of such days? www A waiter believes the distribution of his tips has a model that is slightly skewed to the right, with a mean of $10.70 and a standard deviation of $6.60. He usually waits on about 50 parties over a weekend of work. a) Estimate the probability that he will earn at least $600. b) How much does he earn on the best 5% of such weekends? a) P(tips from 50 parties > $600) = A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $35 and a standard deviation of $19. Suppose the store had 300 customers this Sunda a) Estimate the probability that the store's revenues were at least $10,800. b) If, on a typical Sunday, the store serves 300 customers, how much does the store take in on the worst 1% of such days? www
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