| 1 |
E(x - μ) is equal to: |
- A. E(x)
- B. zero
- C. μ
- D. X - μ
|
| 2 |
For a constant k, the variance of k is |
- A. zero
- B. k<sup>2</sup>
- C. k
- D. none of these
|
| 3 |
What is the probability that a value chosen at random from a particular population is larger than the median of the popultion. |
- A. 0.25
- B. 0.5
- C. 1.0
- D. 0.67
|
| 4 |
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>
|
| 5 |
A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is. |
- A. 1/5
- B. 3/10
- C. 1/2
- D. 2/5
|
| 6 |
The numbered balls are paced in an urn, Numbers 1- 4 are red and numbers 5 -10 are blue. the probability that a ball drawn at random from the run is blue is. |
- A. 0.1
- B. 0.4
- C. 0.6
- D. 1.0
|
| 7 |
The Area of trapezoid is equal to: |
- A. sum of paralled sides x base
- B. sum of paralled sides x base/2
- C. 2 x base x sum of paralled side
- D. Sum of paralled sides x base/4
|
| 8 |
When two dice are rolled, the maximum totla on the two faces of dice will be. |
|
| 9 |
The probability of getting an odd number when a balanced die is rolled is. |
- A. 1/2
- B. 1/3
- C. 1/4
- D. 1/6
|
| 10 |
Which is the impossible event when a dice is rolled. |
- A. 5 or 6
- B. 6 or 7
- C. 2 or 3
- D. 1
|
