Answered: If one scanner is taken from each box,…

If one scanner is taken from each box, what is the probability that the scanners from the first and second companies are defective and the scanners from the third and fourth companies are not?

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

A pharmacy buys one box each of 50 thermal scanners from four different companies. There are 8 defective scanners in the box from the first company, 4 defective scanners from the second company, 3 defective scanners from the third company, and 5 defective scanners from the fourth company. If one scanner is taken from each box, what is the probability that the scanners from the first and second companies are defective and the scanners from the third and fourth companies are not?

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