Four persons are selected at random out ...

Four persons are selected at random out of 3 men, 2 women and 4 children. The probability that there are exactly 2 children in the selection is a. 11/21 b. 9/21 c. 10/21 d. none of these

A

`11/21`

B

`9/21`

C

`10/21`

D

None of these

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The correct Answer is:

C

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