A bag of 22 candy bars contains 9 kitkats. 4 bars are selected at random. What is the probability that 2 are kitkats? What is the expected number of kitkats?

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 bag of 22 candy bars contains 9 kitkats. 4
bars are selected at random. What is the
probability that 2 are kitkats?
What is the expected number of kitkats?
Transcribed Image Text:A bag of 22 candy bars contains 9 kitkats. 4 bars are selected at random. What is the probability that 2 are kitkats? What is the expected number of kitkats?
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