A vending machine in a supermarket breaks down an average of four times per month. Using thePoisson probability distribution formula, find the probability that during the next month thismachine will have(a) Exactly two breakdowns(b) At most one breakdown

Given,The average breaks down per month(λ)=4A random variable X~Poisson(λ=4)P(X=x)=e-44xx! ; x≥0

Answered: A vending machine in a supermarket…

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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A vending machine in a supermarket breaks down an average of four times per month. Using the Poisson probability distribution formula, find the probability that during the next month this machine will have (a) Exactly two breakdowns (b) At most one breakdown