ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 322 - 326 of 469
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Question number: 322
» Probability » Probability Distributions » Random Vectors
Question
What is the distribution function of a random variable which have following density function?
Choices
| Choice (4) | Response | |
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| a. |
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| b. |
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| c. |
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| d. | All of the above |
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Question number: 323
» Probability » Probability Distributions » Beta
Question
If then has ________ distribution
Choices
| Choice (4) | Response | |
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| a. | Uniform |
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| b. | Normal |
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| c. | Cauchy |
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| d. | None of the above |
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Question number: 324
» Probability » Modes of Convergences of Sequences of Random Variables » With Probability One
Question
If as with probability 1 then,
Choices
| Choice (4) | Response | |
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| a. | as in probability. |
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| b. | as in r-th mean. |
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| c. | as almost everywhere. |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 325
» Probability » Probability Distributions » Joint and Marginal Distributions
Question
The cumulative distribution function for the joint distribution of the continuous random variables and is . What is the value of
Choices
| Choice (4) | Response | |
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| a. | 0.9 |
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| b. | 3.2 |
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| c. | 4.1 |
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| d. | None of the above |
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Question number: 326
» Probability » Probability Distributions » Gamma
Question
Which of the following property is/are satisfied by a standard Gamma distribution with shape parameter ?
Choices
| Choice (4) | Response | |
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| a. | If , is decreasing with as . |
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| b. | If , is concave upward. |
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| c. | If, is concave downward and then upward, with inflection point at . |
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| d. | All a. , b. and c. are correct |
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