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OpenStudy (anonymous):
A bag contains 9 black marbles and 1 white marble. What is the probability of the event that is complementary to the event of drawing a black marble from the bag? A. 1/10 B. 1/9 C. 8/9 D. 9/10
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OpenStudy (anonymous):
i need help
undeadknight26 (undeadknight26):
i would say D...because in total there are 10 marbles...
OpenStudy (anonymous):
thx
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