MCQs Probability Distributions 4

1. If $X$ has a binomial distribution with parameter $p$ and $n$ then $\frac{X}{n}$ has the variance:

2. The family of parametric distributions for which moment generating function does not exist is:

3. A family of parametric distribution in which mean always greater than its variance is:

4. Events having an equal chance of occurrence are called

5. Studnet’s $t$-distribution curve is symmetrical about mean, it means that

6. The distribution of sample correlation is

7. The binomial distribution is symmetrical if $p=p=?$

8. If $X\sim N(\mu, \sigma^2)$ and $a$ and $b$ are real numbers, then mean of $(aX+b)$ is

9. The distribution possessing the memoryless property is

10. The family of parametric distributions which has mean always less than variance is:

11. The distribution for which the mode does not exist is:

12. The relation between the mean and variance of $\chi^2$ with $n$ degrees of freedom is

13. The chi-square distribution is used for the test of

14. The $F$-distribution curve in respect of tails is:

15. The mode of the Geometric distribution is