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Hypergeometric Homework[1]

# Hypergeometric Homework[1] - (c What is the probability of...

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IET 2227 H YPERGEOMETRIC P ROBABILITY D ISTRIBUTION HOMEWORK PROBLEMS Page 1 of 1 revised 3/24/2010 1. A finite lot of 20 digital watches is 20% nonconforming. (a) What is the probability that a sample of 3 will contain 2 nonconforming watches? (b) What is the probability of obtaining 2 or more nonconforming units?
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Unformatted text preview: (c) What is the probability of obtaining 2 or less nonconforming units? 2. A lot of 15 has 3 nonconforming units. (a) What is the probability that a sample of 3 will have 1 nonconforming unit? (b) Would the Poisson be a good approximation? From Besterfield, Dale. Quality Control. 4 th edition 1994...
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