a customer buys three packages and two of them are corrupted. e) a customer buys three packages and one of them is corrupted. f) a customer buys three packages and none of them are corrupted.
a customer buys three packages and two of them are corrupted. e) a customer buys three packages and one of them is corrupted. f) a customer buys three packages and none of them are corrupted.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CT: Chapter Test
Problem 30CT: In a batch of 20 tires, 2 are known to be defective. If 4 tires are chosen at random, find the...
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Question
A computer store has 15 copies of a software package. Unknown to the store, 3 of the packages have corrupted disks. What is the probability that
d) a customer buys three packages and two of them are corrupted.
e) a customer buys three packages and one of them is corrupted.
f) a customer buys three packages and none of them are corrupted.
g) Find the sum of the probabilities in parts c–f and write an explanation for the sum.
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