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Business, 09.10.2019 05:00 matty198

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?

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