briannawoolard briannawoolard

21-05-2017
Mathematics

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A bag contains 5 blue marbles, 2 black marbles, and 3 red marbles. A marble is randomly drawn from the bag. The probability of not drawing a black marble is . The probability of drawing a red marble is . NextReset

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Аноним Аноним

21-05-2017

The probability of not drawing a black marble is 8:2
The probability of drawing a red marble is 3:10

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