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For a binomial distribution bar x=4, sig...

For a binomial distribution `bar x=4, sigma=sqrt3` Then P(X=r)=

A

`.^(16)C_(r)(1//4)^(r)(3//4)^(16-r)`

B

`.^(12)C_(r)(1//4)^(r)(3//4)^(12-r)`

C

`.^(16)C_(r)(3//4)^(r)(1//4)^(16-r)`

D

`.^(12)C_(r)(3//4)^(r)(1//4)^(12-r)`

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A
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