kimn0405 kimn0405

19-01-2017
Geography

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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

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jusalien04 jusalien04

19-01-2017

4/5 because 2(black)/10 (total) is 1/5. And the remaining is 4/5

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