f 2 percent of the rifles in an arsenal are defective, what is the probability that a random sample of 400 contains exactly 6 defective rifles?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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If 2 percent of the rifles in an arsenal are defective, what is the probability that a random sample of 400 contains exactly 6 defective rifles? 

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