kathie4 kathie4

25-09-2017
Mathematics

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Simon has a bag of marbles. Six are green marbles, four are red, two are blue and ten are black. If he selects one at random, the probability that it will be black is

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moluv26 moluv26

26-09-2017

The answer is 10/22
Because you have 22 marbles total once you add them all and you have 10 black marbles so the probability it will be black when you pull it out is 10/22

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