ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 311 - 314 of 471
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Question number: 311
» Probability » Probability Distributions » Beta
Question
If is the mode of given , then which of the following relation is correct:
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| Choice (4) | Response | |
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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 | |
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| b. |
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| c. | x |
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| d. | None of the above |
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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.
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| Choice (4) | Response | |
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| a. | 0.8647 |
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| d. | None of the above |
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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 | |
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| a. | and |
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| b. | and |
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| c. | and |
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| d. | All of the above |
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