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. |
Consider a random variable with exponential distribution with λ=1. Compute the probability for P (X>3). |
| A. | e-3 |
| B. | e-1 |
| C. | e-2 |
| D. | e-4 |
| Answer» B. e-1 | |
| 2. |
A random variable X has an exponential distribution with probability distribution function is given byf(x)= 3e-3x for x>0 = 0 otherwiseFind probability that X is not less than 2. |
| A. | e-3 |
| B. | e-6 – 3 |
| C. | e-6 |
| D. | e-6 – 1 |
| Answer» D. e-6 – 1 | |
| 3. |
Exponential distribution is bi-variate. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A mobile conversation follows a exponential distribution f (x) = (1/3)e-x/3. What is the probability that the conversation takes more than 5 minutes? |
| A. | e-5/3 |
| B. | e-15 |
| C. | 5e-15 |
| D. | e-5/3 |
| Answer» B. e-15 | |
| 5. |
The mean of exponential distribution is given as __________ |
| A. | 1/λ |
| B. | λ |
| C. | λ2 |
| D. | 1/λ2 |
| Answer» B. λ | |