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A die is thrown thrice. If getting a fou...

A die is thrown thrice. If getting a four is considered a success, then the mean and variance of the distribution of the number of successes are

A

`1/2,(1)/(12)`

B

`1/6,(5)/(12)`

C

`5/6,1/2`

D

None of these

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The correct Answer is:
D
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