Practicing Success

Register
Start Free Mocks
CUETMOCK

Ace Your

CUET Preparation Today

Start Free Mocks
Home Questions DMWEAPHG85
Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

A random variable X has the following probability distribution

$x_i$ -2 -1 0 1 2 3
$p_i$ 0.1 k 0.2 2k 0.3 k

Then the mean of X is :

Options:

0.3

0.8

0.6

0.7

Correct Answer:

0.8

CUET Questions