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.Management Sciences
Category: RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS
For two independent random variables X & Y, Var (x ± y)=___________?
0
A. Var(X) + Var (Y)
B. Var(X) – Var (Y)
C. Var (X)±
D. Zero
If a & b are constants, then Var (a + bX) equal to_________________?
A. Var(bX) + a
B. b2 Var(X)
C. b Var(x)
D. None of these
The basic random numbers are ________________?
A. 0 and 1
B. 0,1,2,…………9
C. 1,2,3….10
D. None of these
Experiment in which outcomes vary from trial to trial _________________?
A. Experiment
B. Variable
C. Random experiment
D. Non of these
The time taken by an athlete to run a 400 mile race in SAF games ________________?
A. Continuous data
B. Random
C. Discrete data
D. Non of these
Discrete random variable is real valued function defined on a ___________ sample space?
A. Discrete
B. Variable
C. Scale
D. Non of these
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