Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Linear Programming

Question:

The random variable x can take values 0, 1, 2, 3, Given that P(x=0)=P(x-1)=P and P(x-2)=P(x-3) such that $E(x^2)=2E(x)$, then value of 'P' is :

Options:

$\frac{1}{4}$

$\frac{3}{8}$

$\frac{2}{3}$

$\frac{5}{8}$

Correct Answer:

$\frac{3}{8}$