MCQs Random Variables 1

1. A variable whose value is determined by the outcome of a random experiment is called

2. A variable which can assume each and every value within a given range is called

3. A random variable assuming only a finite number of values is called:

4. If $X$ and $Y$ are random variables then $E(X+Y)$ is equal to

5. The lifetime of a car tire is

6. Height measurements of 50 students studying in a college

7. Suppose, four coins are tossed, the value of a random variable $H$ (No. of heads) is:

8. A random variable is also called

9. The number of students in a class is an example of

10. A random variable assuming an infinite number of values is called

11. Random numbers can be generated mechanically by

12. If $x$ is a discrete random variable, the function $f(x)$ is

13. The sum of probabilities of a discrete random variable is

14. The speed of the car is an example of

15. A quantity which can vary from one individual to another is called