A waiter believes the distribution of his tips has a model that is slightly skewed to the left, with a mean of $9.80 and a standard deviation of $5.30.
He usually waits on about
50 parties over a weekend of work.
a) Estimate the probability that
he will earn at least $550.
b) How much does he earn on the best 10% of such weekends?
He usually waits on about
50 parties over a weekend of work.
a) Estimate the probability that
he will earn at least $550.
b) How much does he earn on the best 10% of such weekends?