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The probability that when 12 balls are d...

The probability that when 12 balls are distributed among three boxes, the first will contain three balls is

A

`(2^9)/(3^(12))`

B

`(""^(12)C_3*2^9)/(3^(12))`

C

`(""^(12)C_3 * 2^(12))/(3^(12))`

D

none

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1A
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  17. A bag contains n white and n black balls. Pairs of balls are drawn un...

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  18. The number of subesets contining atmost 3 elements that can be picked ...

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  20. S is a set containing n elements. If two subsets A and B of S picked a...

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