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A bag contains 10 marbles, and 4 of the marbles are black. Joseph chooses 2 marbles at random without replacing the first marble. What is the probability that both marbles are black?
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A bag contains 10 marbles, and 4 of the marbles are black. Joseph chooses 2 marbles at random without replacing the first marble. What is the probability that both marbles are black?

User Dustin Hodges
by
7.2k points

2 Answers

1 vote
The percentage would be 13.3%




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User Piotr Kruczek
by
8.0k points
6 votes
the probability that Joseph chooses 2 black marbles is 0.1333 or about 13.3%
User Dalzhim
by
7.8k points
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