A bag contains 5 blue and 4 black balls. Three balls are drawn at random. What is the probability that 2 are blue and 1 is black? |
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(a) |
(b) |
(c) |
(d) |
None of these |

A bag contains 5 blue and 4 black balls. Three balls are drawn at random. What is the probability that 2 are blue and 1 is black? |
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(a) |
(b) |
(c) |
(d) |
None of these |

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