ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 311 - 314 of 472
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 472 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
How to register?
Question number: 311
» Probability » Probability Distributions » Beta
Question
If is the mode of given , then which of the following relation is correct:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. |
|
|
| d. |
|
|
Question number: 312
» Probability » Probability Distributions » Conditional Distributions
Question
A continuous random vector have joint probability distribution function
What is the mean of conditional density of given ?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
|
| c. | x |
|
| d. | None of the above |
|
Question number: 313
» Probability » Probability Distributions » Gamma
Question
Suppose that a bullet is fired at a target at the origin of a plane coordinate system, with units in meters. The bullet lands at where and are independent and each has the normal distribution with mean 0 and variance 100. The bullet will destroy the target if it lands within 20 meters of the target. Find the probability of this event.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 0.8647 |
|
| b. |
|
|
| c. |
|
|
| d. | None of the above |
|
Question number: 314
» Probability » Probability Distributions » Lognormal
Question
Using the method of moment estimation, find the estimators and of parameters of if .
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | and |
|
| b. | and |
|
| c. | and |
|
| d. | All of the above |
|