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A coin is tossed three times .If X ...

A coin is tossed three times .If X denotes the absolute difference between the number of heads and the number of tails then ` P (X=1)=`

A

`(1)/(2)`

B

`(2)/(3)`

C

`(1)/(6)`

D

`(3)/(4)`

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The correct Answer is:
D
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