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A bag contains 8 red and 3 green balls. ...

A bag contains 8 red and 3 green balls. Three balls are drawn one after another without replacement. Find the probability  that at least two balls drawn are green.

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Given:
Bag contains 8 red and 6 green balls So, we have to find the probability that at least two balls drawn are green.
The possible cases of drawing balls are as shown below:
i. Green,Green,Red
ii. Green,Red,Green
iii. Red,Green,Green
...
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