miercuri, 30 noiembrie 2011

Q&A: What is the probability that no more than 2 cars have defective radios?

by oopsfotos.nl
Question by xtaticlyme: What is the probability that no more than 2 cars have defective radios?
From an inventory of 10 new cars being shipped to local dealerships, corporate reports indicate that 4 have defective radios installed. If 5 cars are randomly selected for shipping, Then:

What is the probability that no more than 2 cars have defective radios?


Best answer:
Answer by TSame as other question but add together exactly 0, exactly 1 and exactly 2

0 = 6/252
1 =

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