Question:
The probability distribution of a discrete random variable X is given as under:
Calculate:
(i) The value of A if E(X) = 2.94
(ii) Variance of X.
Solution:
(i) We know that:
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.