MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The probability of the event that X is less than three is |
| A. | 0.45 |
| B. | 0.50 |
| C. | 0.55 |
| D. | 0.60 |
| Answer» C. 0.55 | |
| 2. |
The probability of the event{X 2.5, Y 6} is |
| A. | 0.45 |
| B. | 0.50 |
| C. | 0.55 |
| D. | 0.60 |
| Answer» B. 0.50 | |
| 3. |
The variance of the random variable x is |
| A. | 1/10 |
| B. | 3/80 |
| C. | 5/16 |
| D. | 3/16 |
| Answer» C. 5/16 | |
| 4. |
The mean of the random variable x is |
| A. | 1/4 |
| B. | 1/6 |
| C. | 1/3 |
| D. | 1/5 |
| Answer» B. 1/6 | |
| 5. |
The expect value of g(x) = X3 is |
| A. | 48 |
| B. | 192 |
| C. | 36 |
| D. | 72 |
| Answer» B. 192 | |
| 6. |
THE_EXPECT_VALUE_OF_G(X)_=_X3_IS?$ |
| A. | 48 |
| B. | 192 |
| C. | 36 |
| D. | 72 |
| Answer» B. 192 | |
| 7. |
The_mean_of_the_random_variable_x_is$ |
| A. | 1/4 |
| B. | 1/6 |
| C. | 1/3 |
| D. | 1/5 |
| Answer» C. 1/3 | |
| 8. |
How many weeds per year (average) can the Delhi expect the number of murders per week to equal or exceed the average number per week? |
| A. | 15 |
| B. | 20 |
| C. | 25 |
| D. | 30 |
| Answer» B. 20 | |
| 9. |
On the average, how many weeks a year can Delhi expect to have no murders ? |
| A. | 1.4 |
| B. | 1.9 |
| C. | 2.6 |
| D. | 3.4 |
| Answer» B. 1.9 | |
| 10. |
The probability that there will be five or more murder in a given week is |
| A. | 0.1847 |
| B. | 0.2461 |
| C. | 0.3927 |
| D. | 0.4167 |
| Answer» E. | |
| 11. |
The probability that no car will arrive is |
| A. | 0.516 |
| B. | 0.459 |
| C. | 0.246 |
| D. | 0.135 |
| Answer» B. 0.459 | |
| 12. |
The probability that more than 3 cars will arrive during any 10 min period is |
| A. | 0.249 |
| B. | 0.143 |
| C. | 0.346 |
| D. | 0.543 |
| Answer» E. | |