A random variable may be _____________?
A random variable may be _____________? A. fixed B. continuous C. discreteD. discrete or continuous
A random variable may be _____________? A. fixed B. continuous C. discreteD. discrete or continuous
If E(x) is the expected value of X then E[x – E(x)]= ___________________? A. E(x) – E(x) B. E(X) – 0C. 0 D. E(x) + E(x)
Discrete random variable is real valued function defined on a ___________ sample space? A. Discrete B. Variable C. Scale D. Non of these