| 1 |
Probility density function is the probebilyt function of.............. random variable. |
- A. Discrete
- B. Qualitative
- C. Continuous
- D. None
|
| 2 |
The hypergeometric distribution has -------------- parameters |
- A. One
- B. Two
- C. Three
- D. Four
|
| 3 |
if X and Y are independent random varaibesl the S.D. (X-Y) is equal to |
- A. Var (X) - var (Y)
- B. Var (X) + Var (Y)
- C. E(X-Y)2
- D. E(X + Y)2
|
| 4 |
When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is: |
- A. Binomial
- B. Hypergeometric
- C. Both Binomial & hypergeometric
- 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 we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be: |
- A. Binomial
- B. Hypergeometric
- C. Both binomial & hypergeometric
- D. None of these
|
| 7 |
Random numbers are generated from the single digit numbers. |
- A. { 1,2,3,............. 10 }
- B. { 0, 1,2,.......................... 10}
- C. { 0,1,2.............}
- D. {0,1,2,............. 9}
|
| 8 |
Hypergeometric distribution is a |
- A. Continuous distribution
- B. Discrete distribution
- C. Simple distribution
- D. Normal distribution
|
| 9 |
Binomial distribution is positively skewed |
- A. P < 1/2
- B. P > 1/2
- C. P = 1/2
- D. P < q < <sup>1</sup>/<sub>2</sub>
|
| 10 |
Which of the following case is true for hypergeometric distribution. |
- A. Probability remains constant for all trials
- B. Probability changes
- C. successive trials are dependent
- D. Both (B) and (C) but not (A)
|
