If E (ax) = _______________?
If E (ax) = _______________?
A. A
B. a E(x)
C. x E(a)
D. Non of these
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS
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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 -
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 -
Random numbers are also called__________________?
Random numbers are also called__________________?A. Random experiment
B. random Errors
C. Random digits
D. None of these -
A continuous random variable which can assume all possible values on scale in a given _______________?
A continuous random variable which can assume all possible values on scale in a given _______________?A. Interval
B. Point
C. Time
D. Sample space