Among 10 laptop computers, 8 are good and 2 have defects. Unware of this, a customer buys 3 laptops. (a) What is the probability of exactly 2 defective laptops among them? (b) What is the probability of at least 1 defective laptops among them

Among 10 laptop computers, 8 are good and 2 have defects. Unware of this, a customer buys 3 laptops. (a) What is the probability of exactly 2 defective laptops among them? (b) What is the probability of at least 1 defective laptops among them

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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