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OpenStudy (anonymous):
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? a. 2/15 b. 8/45 c. 3/25 d. 4/25
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OpenStudy (anonymous):
How did they teach this to you do you remember any basics?
OpenStudy (anonymous):
@santiagosoto I do remember the basics, but I'm having a hard time with this problem.
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