A shipment of 9 typewriters contains 3 that are defective. Find the probability that a sample of size 3, drawn from the 9, will not contain a defective typewriter. What is the probability that a sample of 3 of the 9 typewriters will not contain a defective typewriter? |(Type an integer or a simplified fraction.)

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 shipment of 9 typewriters contains 3 that are defective. Find the probability that a sample of size 3, drawn from the 9, will not contain a defective typewriter.
What is the probability that a sample of 3 of the 9 typewriters will not contain a defective typewriter?
|(Type an integer or a simplified fraction.)
Transcribed Image Text:A shipment of 9 typewriters contains 3 that are defective. Find the probability that a sample of size 3, drawn from the 9, will not contain a defective typewriter. What is the probability that a sample of 3 of the 9 typewriters will not contain a defective typewriter? |(Type an integer or a simplified fraction.)
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