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Probability

probability that 2 of them need tweaking?

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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2.27. The repair shop received 20 TVs. 7 of them are known to need tweaking. The master takes any 5 TVs. What is the probability that 2 of them need tweaking? (Answer: 0.3874.)

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