Three light bulbs are selected at random from a lot of 10. It is known that 4 of them are defective. What is the probability that: a. All three of the light bulbs are defective? b. One is defective and the other two are not defective?
Three light bulbs are selected at random from a lot of 10. It is known that 4 of them are defective. What is the probability that: a. All three of the light bulbs are defective? b. One is defective and the other two are not defective?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter0: Preparing For Algebra
Section: Chapter Questions
Problem 55PRT
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Question
Three light bulbs are selected at random from a lot of 10. It is known that 4 of them are defective. What is the probability that:
a. All three of the light bulbs are defective?
b. One is defective and the other two are not defective?
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