Question 11 Mark
The probability distribution of random variable X is given below:
| $\text{X}$ | $0$ | $1$ | $2$ | $3$ |
| $\text{P}(\text{X})$ | $\text{k}$ | $\frac{\text{k}}{2}$ | $\frac{\text{k}}{4}$ | $\frac{\text{k}}{8}$ |
Find $\text{P}(\text{X}\leq2)+\text{P}(\text{X}>2)$
Answer
View full question & answer→$\text{P}(\text{X}\leq2)+\text{P}(\text{X}>2)$
$=\text{P}(0)+\text{P}(1)+\text{P}(2)+\text{P}(3)$
$=1$
$=\text{P}(0)+\text{P}(1)+\text{P}(2)+\text{P}(3)$
$=1$