SOLUTION: in a scientific study there are 12 guinea pigs, 5 of which are pregnant. If 3 are selected at random without replacement, find the probability that none are pregnant

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: in a scientific study there are 12 guinea pigs, 5 of which are pregnant. If 3 are selected at random without replacement, find the probability that none are pregnant      Log On

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 Question 560152: in a scientific study there are 12 guinea pigs, 5 of which are pregnant. If 3 are selected at random without replacement, find the probability that none are pregnantAnswer by nyc_function(2733)   (Show Source): You can put this solution on YOUR website!p(none are pregnant) = (5/12) * (3/9) Can you take it from here?