Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

A discrete random variable X has the following probability distribution :

X 0 1 2 3 4 5
P(X) $4c^2$ $3c^2$ $2c^2$ $c^2$ $c$ $2c$

The value of $P(X≤2)$ is :

Options:

$\frac{1}{5}$

$\frac{16}{25}$

$\frac{9}{25}$

$\frac{2}{5}$

Correct Answer:

$\frac{9}{25}$