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18-05-2017
Mathematics

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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?

Respuesta :

18-05-2017

The complement of drawing a black would be drawing a white.
P(9) = 9/10
P(not 9) = 1/10

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