SOLUTION: In a scientific study there are 10 bunches of green onions, 3 of which contain E. coli. If two are selected at random without replacement, find the probability that both contain E.

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Question 855199: In a scientific study there are 10 bunches of green onions, 3 of which contain E. coli. If two are selected at random without replacement, find the probability that both contain E. coli
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

10 bunches of green onions, 3 of which contain E. coli.

two are selected at random without replacement

P(both contain E. coli) = %283%2F10%29%282%2F9%29