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 func- tional 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? (montgomery 97) montgomery, douglas c. applied statistics and probability for engineers, 6th edition. wiley, 2013-10-21. vitalbook file. the citation provided is a guideline. check each citation for accuracy before use.