The expected value of a discrete random variable ‘x’ is given by – McqOptions

MCQOPTIONS

1.	The expected value of a discrete random variable ‘x’ is given by ___________
A.	P(x)
B.	∑ P(x)
C.	∑ x P(x)
D.	1
Answer» D. 1

Discussion

No Comment Found

Related MCQs

If E(x) = 2 and E(z) = 4, then E(z – x) =?
Out of the following values, which one is not possible in probability?
If ‘X’ is a continuous random variable, then the expected value is given by ___________
The expected value of a discrete random variable ‘x’ is given by ___________
If a variable can certain integer values between two given points is called ___________
A variable that can assume any value between two given points is called ___________
A table with all possible value of a random variable and its corresponding probabilities is called ___________
What would be the probability of an event ‘G’ if H denotes its complement, according to the axioms of probability?
Mutually Exclusive events ___________
When do the conditional density functions get converted into the marginally density functions?