13.6k views
1 vote
A bag contains 5 red marbles and 7 blue marbles. You randomly pick a marble and then pick a second without returning the marbles to the bag. Both marbles are red.

2 Answers

7 votes


image

User Pavlo Sobchuk
by
6.9k points
5 votes

Probability(both marbles are red) = 5/12 * 4/11 = 20/132


= 5/33 Answer

User Pedro Teran
by
6.3k points
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