The expected value of the random variable Is
A)the standard error
B)the sample size
C)the size of the population
D)None of these alternatives is correct.

Question

The expected value of the random variable  Is
A)the standard error 
B)the sample size 
C)the size of the population 
D)None of these alternatives is correct.

Quizplus · Accepted Answer

The options provided are not relevant to finding the expected value of a random variable. The expected value is the long-term average of a random variable over many trials. It is calculated by multiplying each possible value by its probability, and then adding up all of these products. Therefore, none of the given options is the correct answer.

The Expected Value of the Random Variable Is