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OpenStudy (anonymous):
A bag contains 25 marbles: 10 black, 13 red, and 2 blue. A marble is drawn from the bag at random.
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OpenStudy (anonymous):
Choose which statement best describes why the events of "getting a black marble" and "geting a red marble" are mutually exclusive.
OpenStudy (jh3power):
the possibility of getting a black marble shall be 10/25 while red is 13/25
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