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15-05-2017
Mathematics

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The probability that a blue marble is drawn out of a bag is 3/5. What is the probability that a blue marble is not drawn?

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15-05-2017

The probability of a blue marble not to be drawn is 2/5

There are 5 marbles in the bag and 3 of them are blue. So to find out the probability of one not being drawn we would take 5/5-3/5 which is equal to 2/5.

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15-05-2017

2/5, If the 3/5 is being taken by the blue marble the other 2 marbles will be used to add up to 5. So the remaining marbles would be 2/5

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