Practicing Success
Practicing Success
CUET Preparation Today
The random variable X can take only values 0, 1, 2. Given that $P(X=0)=P(X=1)=ρ$ and $E(X^2)=E(X)+1,$ then the value of ρ is : |
$\frac{1}{4}$ $\frac{1}{3}$ $\frac{1}{2}$ $\frac{1}{6}$ |
$\frac{1}{4}$ |
The correct answer is option (1) : $\frac{1}{4}$ |
