CUET Preparation Today
The probability distribution of a random variable X is given below:
Then the value of p is: |
$\frac{-1}{72}$ $\frac{-2}{72}$ $\frac{2}{72}$ $\frac{1}{72}$ |
$\frac{1}{72}$ |
The correct answer is Option (4) → $\frac{1}{72}$ $∑P(X)=1$ $⇒(1+2+....+12)P=1$ $⇒P=\frac{1}{72}$ |
