The operator of a pumping station has observed that demand for water during early
Chapter 4, Problem 4.89(choose chapter or problem)
The operator of a pumping station has observed that demand for water during early afternoon hours has an approximately exponential distribution with mean 100 cfs (cubic feet per second). a Find the probability that the demand will exceed 200 cfs during the early afternoon on a randomly selected day. b What water-pumping capacity should the station maintain during early afternoons so that the probability that demand will exceed capacity on a randomly selected day is only .01?
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