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If the standard deviation of the binomia...

If the standard deviation of the binomial distribution `(q + p)^16` is 2, then mean of the distribution is

A

6

B

8

C

10

D

12

Text Solution

Verified by Experts

The correct Answer is:
A
At x=-2, f must be continuous
`therefore(1)/(2)=a+4b" "......(1)`
At x=-2, L.H.D.=R.H.D.
`2bx=(1)/(x^(2))" "......(2)`
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