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there are 8 red balls and some blue balls in the bag . one ball is drawn randamly .ratio of probability of both balls. is 2:3 find the probability of blue balls |
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Answer» ONG>Explanation: CORRECT option is C 137 Total no. of balls=4+6+3=13 Total no. of ways ONE ball out of 7,n(S)=13C1 No.of ways of drawing 1 ball,none of then is blue,n(E)=13−6=7C1 ∴probability=n(S)n(E)=137 |
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