A sample of 4 different calculators is randomly selected from a group containing 16 that are defective and 28 that have no defects. What is the probability that at least one of the calculators is​ defective?

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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A sample of 4 different calculators is randomly selected from a group containing

16

that are defective and

28

that have no defects. What is the probability that at least one of the calculators is​ defective?

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