A bag contains 10 red marbles, 15 blue marbles and 20 green marbles. If you want to take a red marble out of the bag, minimum number of marbles to be taken out of the bag you so that you will definitely get a red marble
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p(e)=red outcomes
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totoal no: outcomes
10
-------
45
2
---
9
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totoal no: outcomes
10
-------
45
2
---
9
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