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Four persons are selected at random from...

Four persons are selected at random from a group of 3 men, 2 women and 4 children. The probability that exactly two of them are children is

A

`(3)/(4)`

B

`(10/(23)`

C

`(1)/(2)`

D

`(10)/(21)`

Text Solution

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The correct Answer is:
D
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PREMIERS PUBLISHERS-INTRODUCTION TO PROBABILITY THEORY-SOLUTION TO EXERCISE 12.5
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  19. There are three events A, B and C of which one and only one can happpe...

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