(d) What is the probability that the number of drivers will be within 2 standard deviations of the mean value?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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Suppose that the number of drivers who travel between a particular origin and destination during a designated time period has
Practice"t). (Round your answer to three decimal places.)
Poisson distribution with parameter u = 20 (suggested in the article "Dynamic Ride Sharing: Theory and
(a)
What is the probability that the number of drivers will be at most 14?
.105
(b)
What is the probability that the number of drivers will exceed 27?
.053
(c)
What is the probability that the number of drivers will be between 14 and 27, inclusive?
.881
What is the probability that the number of drivers will be strictly between 14 and 27?
.817
(d)
What is the probability that the number of drivers will be within 2 standard deviations of the mean value?
Transcribed Image Text:Suppose that the number of drivers who travel between a particular origin and destination during a designated time period has Practice"t). (Round your answer to three decimal places.) Poisson distribution with parameter u = 20 (suggested in the article "Dynamic Ride Sharing: Theory and (a) What is the probability that the number of drivers will be at most 14? .105 (b) What is the probability that the number of drivers will exceed 27? .053 (c) What is the probability that the number of drivers will be between 14 and 27, inclusive? .881 What is the probability that the number of drivers will be strictly between 14 and 27? .817 (d) What is the probability that the number of drivers will be within 2 standard deviations of the mean value?
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