Probability of defective circuit card in the sample
Printed circuit cards are placed in a functional test after being populated with semiconductor chips. A lot contains 140 cards, and 20 are selected without replacement for functional testing.
a.) If 20 cards are defective, what is the probability that at least 1 defective card is in the sample?
b.) If 5 cards are defective, what is the probability that at least 1 defective card appears in the sample?
Solution Summary
The solution shows how to calculate the probability of defective circuit card in the sample.
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Active since 2006
BS, Tianjin University, China
MS, Tianjin University, China
PhD, University of Toledo
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