| 1 |
The mean of binomial distribution is always: |
- A. Equal to variance
- B. Less than variance
- C. Greater then variance
- D. None of the these
|
| 2 |
Its value cannot be exactly examined. |
- A. Ranodm variable
- B. Fixed varaible
- C. Mathematical variable
- D. Variable
|
| 3 |
Mean of hypergeometric distribution is |
|
| 4 |
The binomial distribution has the following parameters. |
- A. p & q
- B. n & q
- C. n, p & q
- D. None of these
|
| 5 |
In binomial distribution, the random variable has a range: |
- A. 0,1,2...................n
- B. 0,1,2,......+∞
- C. -∞ to +∞
- D. ∞ to +0
|
| 6 |
If in binomial distribution, μ = 6, p = 3/5, the number of trial are: |
- A. 18
- B. 30
- C. 10
- D. None of these
|
| 7 |
The binomial distribution is symmetrical when: |
- A. P > q
- B. p = 1/2
- C. Probability of success & probability of failure are equal
- D. Both (B) and (C)
|
| 8 |
An expected value of a random variable is equal to its. |
- A. Variance
- B. B.D.
- C. Mean
- D. Co - Variance
|
| 9 |
The expected value of a discrete random variable is. |
- A. Always an integer
- B. Always one of the values that the random variable can assume
- C. An interal of values
- D. None of these
|
| 10 |
If C is a non -random variabe than E (C) is. |
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