Mathematics, 02.04.2020 20:17, lil3114

The length of stay at a specific emergency department in a hospital in Phoenix, Arizona had a mean of 4.6 hours. Assume that the length of stay is exponentially distributed.
(a) What is the standard deviation of the length of stay?
(b) What is the probability of a length of stay of more than 10 hours?
(c) What length of stay is exceeded by 25% of the visits?

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The length of stay at a specific emergency department in a hospital in Phoenix, Arizona had a mean o...