MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The recurrence relation between P(x) and P(x +1) in a Poisson distribution is given by ___________ |
| A. | P(x+1) – m P(x) = 0 |
| B. | m P(x+1) – P(x) = 0 |
| C. | (x+1) P(x+1) – m P(x) = 0 |
| D. | (x+1) P(x) – x P(x+1) = 0 |
| Answer» D. (x+1) P(x) – x P(x+1) = 0 | |
| 2. |
For a Poisson Distribution, if mean(m) = 1, then P(1) is? |
| A. | 1/e |
| B. | e |
| C. | e/2 |
| D. | Indeterminate |
| Answer» B. e | |
| 3. |
In a Poisson distribution, the mean and standard deviation are equal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
If ‘m’ is the mean of Poisson Distribution, the P(0) is given by ___________ |
| A. | e-m |
| B. | em |
| C. | e |
| D. | m-e |
| Answer» B. em | |
| 5. |
Poisson distribution is applied for ___________ |
| A. | Continuous Random Variable |
| B. | Discrete Random Variable |
| C. | Irregular Random Variable |
| D. | Uncertain Random Variable |
| Answer» C. Irregular Random Variable | |
| 6. |
In a Poisson Distribution, if mean (m) = e, then P(x) is given by ___________ |
| A. | \(\frac{e^{(x-m)}}{x!}\) |
| B. | \(\frac{e^{(m-x)}}{x!}\) |
| C. | \(\frac{x!}{e^{(m-x)}}\) |
| D. | \(\frac{x!}{e^{(x-m)}}\) |
| Answer» C. \(\frac{x!}{e^{(m-x)}}\) | |
| 7. |
In a Poisson Distribution, the mean and variance are equal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
If ‘m’ is the mean of a Poisson Distribution, the standard deviation is given by ___________ |
| A. | \(\sqrt{m}\) |
| B. | m2 |
| C. | m |
| D. | m⁄2 |
| Answer» B. m2 | |
| 9. |
The p.d.f of Poisson Distribution is given by ___________ |
| A. | \(\frac{e^{-m}m^x}{x!}\) |
| B. | \(\frac{e^{-m}x!}{m^x}\) |
| C. | \(\frac{x!}{m^xe^{-m}}\) |
| D. | \(\frac{e^m m^x}{x!}\) |
| Answer» B. \(\frac{e^{-m}x!}{m^x}\) | |
| 10. |
If ‘m’ is the mean of a Poisson Distribution, then variance is given by ___________ |
| A. | m2 |
| B. | m1⁄2 |
| C. | m |
| D. | m⁄2 |
| Answer» D. m⁄2 | |
| 11. |
In a Poisson Distribution, if ‘n’ is the number of trials and ‘p’ is the probability of success, then the mean value is given by? |
| A. | m = np |
| B. | m = (np)2 |
| C. | m = np(1-p) |
| D. | m = p |
| Answer» B. m = (np)2 | |