If 12 indentical balls are to placed in ...

If 12 indentical balls are to placed in 3 indntical boxes, then the probability that one of the boxes contains exactly 3 balls is

`220 ((1)/(3))^(12)`

`22 ((1)/(3))^(11)`

`(55)/(3) ((2)/(3))^(11)`

none of these

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