EC > GATE 2014 SET-1 > Probability
Let X be a real-valued random variable with E[X] and E[X2] denoting the mean values of X and X2, respectively. The relation which always holds true is
A
(E[X])2 > E[X2]
B
E[X2] ≥ (E[X])2
C
E[X2] = (E[X])2
D
E[X2] > (E[X])2

Correct : b

Similar Questions

Suppose X and Y are independent and identically distributed random variables that are distributed uniformly in the interval.The probability that X≥Y is
#54 Fill in the Blanks
A pot contains two red balls and two blue balls. Two balls are drawn from this pot randomly without replacement.What is the probability that the two balls drawn...
#169 MCQ
The two sides of a fair coin are labelled as 0 and 1. The coin is tossed two times independently. Let M and N denote the labels corresponding to the outcomes of...
#309 Fill in the Blanks

Related Topics

No tags found

Unique Visitor Count

Total Unique Visitors

Loading......