MCQ
If $X$ follows a binomial distribution with parameter $\text{n}=100$ and $\text{p}=\frac{1}{3},$ then $P(X = r)$ is maximum when $r =$
- A$32$
- B$34$
- ✓$33$
- D$31$
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A random variable $X$ has following probability distribution
| X=x | 1 | 2 | 3 | 4 | 5 | 6 |
| P(X=x) | K | 3K | 5K | 7K | 8K | K |
Then $P(2 \leq X<5)=$
$\bar{r} \cdot(2 \bar{i}+\bar{j}-3 \bar{k})+7=0$ is