Using Poisson distribution, find the following: 1. the probability that a 6-year flood will occur 7 times in a period of 20 years, 2. the probability that it will not occur at all, and 3. how many floods of this magnitude will occur on an average during 20 years?

Using Poisson distribution, find the following: 1. the probability that a 6-year flood will occur 7 times in a period of 20 years, 2. the probability that it will not occur at all, and 3. how many floods of this magnitude will occur on an average during 20 years?

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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Question

Using Poisson distribution, find the following:

1. the probability that a 6-year flood will occur 7 times in a period of 20 years,
2. the probability that it will not occur at all, and
3. how many floods of this magnitude will occur on an average during 20 years?

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