E(ax + b) = A E(x) +___________________?
A. (C)
B. E(x)
C. b E(a)
D. b
If E (ax) = _______________?
If E (ax) = _______________?
A. A
B. a E(x)
C. x E(a)
D. Non of these
The time taken by an athlete to run a 400 mile race in SAF games ________________?
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
The variance of randomvariable of x then var(x) = E[x-E[x]2 = E[________]?
The variance of randomvariable of x then var(x) = E[x-E[x]2 = E[________]?
A. (X – A)2
B. E(x)
C. (x – u)2
D. (x – 4)2
The basic random numbers are ________________?
The basic random numbers are ________________?
A. 0 and 1
B. 0,1,2,…………9
C. 1,2,3….10
D. None of these
The mathematical exception of x + y is equal to ________________?
The mathematical exception of x + y is equal to ________________?
A. E(x + 0)
B. E(x + x)
C. E(x) + E(y)
D. E(y)
Experiment in which outcomes vary from trial to trial _________________?
Experiment in which outcomes vary from trial to trial _________________?
A. Experiment
B. Variable
C. Random experiment
D. Non of these
Earth is divided into following three layers?
Earth is divided into following three layers?a. Crust, Mountains, Oceans
b. Crust, Mantle, Trenches
c. Trenches, Mountains, Core
d. Crust, Mantel, Core
b. Crust, Mantle, Trenches
c. Trenches, Mountains, Core
d. Crust, Mantel, Core
Random numbers are used for selection of ____________?
Random numbers are used for selection of ____________?
A. Random space
B. Space
C. Random sample
D. Non of these
A random variable is that whose value is determined by the outcome of _________________?
A random variable is that whose value is determined by the outcome of _________________?
A. Trial
B. event
C. Experiment
D. Random experiment