| 1 |
E(x - μ) is equal to: |
- A. E(x)
- B. zero
- C. μ
- D. X - μ
|
| 2 |
Waht is the probability that a ball drawn at random from the bag is. |
- A. 0.1
- B. 0.4
- C. 1.0
- D. Cannot be determined from given information
|
| 3 |
Which of the following is suitable for discrete probability distribution. |
- A. Frequency polygon
- B. Probability
- C. Ogive
- D. Histogram
|
| 4 |
Probability distribution of a continuous random variable can be presented by |
- A. tabular form
- B. Formula
- C. Curve
- D. None of these
|
| 5 |
The simplest form of the continuous distribution is the. |
- A. Skewed distribution
- B. Kurtic distribution
- C. Binomial distribution
- D. Uniform distribution
|
| 6 |
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
|
| 7 |
A probability function is _________ function. |
- A. Mathematical
- B. Mathematical expectation
- C. Converges
- D. None of these
|
| 8 |
The properties of discrete probability distribution are: |
- A. Σp (x) = 1 and Σx. (x) = 1
- B. ΣP (x)= 1 and Σx. P
- C. ΣP(x) = 1 and 0 < P(x) ≤ 1
- D. All of these above
|
| 9 |
If x and y are independent random variables, then E(xy) |
- A. E(xy)
- B. xE(y)
- C. E(x)
- D. E(x)E(y)
|
| 10 |
The simple probability of occurrence of an event in called the. |
- A. Joint probability
- B. Conditional probability
- C. Marginal probability
- D. Subjective probability
|
