# SOLUTION: Three defective electric toothbrushes were accidently shipped along with 17 non-defective. a. what is the probability that the first two selected will be defective. b. what i

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: Three defective electric toothbrushes were accidently shipped along with 17 non-defective. a. what is the probability that the first two selected will be defective. b. what i      Log On

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 Click here to see ALL problems on Probability-and-statistics Question 197998: Three defective electric toothbrushes were accidently shipped along with 17 non-defective. a. what is the probability that the first two selected will be defective. b. what is the probability the first two sold will not be defectedAnswer by stanbon(57967)   (Show Source): You can put this solution on YOUR website!Three defective electric toothbrushes were accidently shipped along with 17 non-defective. a. what is the probability that the first two selected will be defective. Ans: 3C2/17C2 = 3/136 ------------------------------------------ b. what is the probability the first two sold will not be defected Ans: 14C2/17C2 = 0.669... Cheers, Stan H.