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average per page,

average per page,

A First Course in Probability (10th Edition)
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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The edition of a newspaper is the responsibility of 2 companies (A and B). The company A has 0.2 mistakes in average per page, while company B has 0.3. Consider that company A is responsible for 60% of the newspaper edition, and company B is responsible for the other 40%. Admit that the number of mistakes per page has Poisson distribution. 3.1) Determine the percentage of newspaper's pages without errors. 3.2) A page has no errors, what's the probability that it was edited by the company B?
Transcribed Image Text:The edition of a newspaper is the responsibility of 2 companies (A and B). The company A has 0.2 mistakes in average per page, while company B has 0.3. Consider that company A is responsible for 60% of the newspaper edition, and company B is responsible for the other 40%. Admit that the number of mistakes per page has Poisson distribution. 3.1) Determine the percentage of newspaper's pages without errors. 3.2) A page has no errors, what's the probability that it was edited by the company B?
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