Q. A random variable $X$ follows binomial distribution with mean $\alpha$ and variance $\beta.$Then
A) $0 < \alpha < \beta$
B) $0 < \beta < \alpha$
C) $\alpha < 0 < \beta$
D) $\beta < 0 < \alpha$
Explanation
(b)
For binomial distribution
0<variance<mean
$\Rightarrow \ 0 < \beta < \alpha$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.