44The operator of a pumping station has observed that demand for water during early afternoon hours has an approximately exponential distribution with mean100 cfs (cubic feet per second).(a) Find the probability that the demand will exceed 150 cfs during the early afternoon on a randomly selected day. (Round your answer to four decimal places.)(b) What water-pumping capacity, in cubic feet per second, should the station maintain during early afternoons so that the probability that demand will exceedcapacity on a randomly selected day is only 0.04? (Round your answer to two decimal places.)cfs

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Answered: 44 The operator of a pumping station…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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15 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 230 cfs during the early afternoon on a randomly selected day. (Round your answer to four decimal places.) (b) What water-pumping capacity, in cubic feet per second, should the station maintain during early afternoons so that the probability that demand will exceed capacity on a randomly selected day is only 0.02? (Round your answer to two decimal places.) cfs
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