A lot of 140 semiconductor chips is inspected by choosing a sample of five chips. Assume 10 of the chips do not conform to customer requirements. (a) How many different samples are possible? (b) How many samples of five contain exactly one noncon- forming chip? (c) How many samples of five contain at least one noncon- forming chip?

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 lot of 140 semiconductor chips is inspected by
choosing a sample of five chips. Assume 10 of the chips do not
conform to customer requirements.
(a) How many different samples are possible?
(b) How many samples of five contain exactly one noncon-
forming chip?
(c) How many samples of five contain at least one noncon-
forming chip?
Transcribed Image Text:A lot of 140 semiconductor chips is inspected by choosing a sample of five chips. Assume 10 of the chips do not conform to customer requirements. (a) How many different samples are possible? (b) How many samples of five contain exactly one noncon- forming chip? (c) How many samples of five contain at least one noncon- forming chip?
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