Practicing Success

Register
Start Free Mocks
CUETMOCK

Ace Your

CUET Preparation Today

Start Free Mocks
Home Questions HFH3G43FWP
Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

The probability distribution of a discrete random variable X is :

X 30 10 -10
P(X) 1/5 3/10 1/2

Then E(X) is equal to :

Options:

6

4

3

-5

Correct Answer:

4

CUET Questions