| 1 |
A random variable is also called. |
- A. Chance variable
- B. Stochastic variable
- C. Discrete variable
- D. Both A and B
|
| 2 |
Which of the following is suitable for discrete probability distribution. |
- A. Frequency polygon
- B. Probability
- C. Ogive
- D. Histogram
|
| 3 |
Var (3x + 2) |
- A. 3 Var(X) + 2
- B. 3 Var X
- C. 9 var (x) + 2
- D. 9 var (x)
|
| 4 |
<br> |
- A. 4/10
- B. 2/10
- C. 1/10
- D. 0
|
| 5 |
the term 'event' is used for. |
- A. Time
- B. Subaet of the sample space
- C. Total number of outcomes
- D. Probability
|
| 6 |
The probability distribution of discrete random variable is called is |
- A. Frequency distribution
- B. Probability distribution
- C. Probability mass function
- D. Both (a) and (b)
|
| 7 |
probability distribution of a continuous random variable can be presented by. |
- A. Formula
- B. Curve
- C. Tabular form
- D. None of these<div><br></div>
|
| 8 |
A probability function is _________ function. |
- A. Mathematical
- B. Mathematical expectation
- C. Converges
- D. None of these
|
| 9 |
|
- A. y<sub>1</sub> = y<sub>2</sub>
- B. Y<sub>1</sub> > y<sub>2</sub>
- C.
- D. None of these
|
| 10 |
E(x - μ) is equal to: |
- A. E(x)
- B. zero
- C. μ
- D. X - μ
|
