Variance Calculation E(X), E(X²) (Jee Mains) | ExamDuo
Ask Doubts
Log in
Dispersion and Variance
Easy
Variance Calculation E(X), E(X²)
For a random variable X, E(X) = 3 and E(X²) = 11. Then, variance of X is
SELECT ONE OPTION
A
1
B
2
C
3
D
4
Check
Ask about this question