ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 270 - 274 of 472
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Question number: 270
» Probability » Probability Distributions » Laplace
Question
Which of the following statement is/are always correct regarding the probability density function of a Laplace distribution?
Choices
| Choice (4) | Response | |
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| a. | It is symmetric about |
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| b. | It increases on and decreases on , with mode |
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| c. | It is concave upward on and on with a cusp at |
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| d. | None of the above |
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Question number: 271
» Probability » Probability Distributions » Negative Binomial
Question
Reshma is a basketball player. She is free throw shooter. What is the probability that Reshma makes her third free throw on her fifth shot?
Choices
| Choice (4) | Response | |
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| a. | 0.414 |
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| b. | 0.207 |
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| c. | 0.185 |
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| d. | 0.735 |
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Question number: 272
» Probability » Probability Distributions » Multinomial
Question
If are counts in cells/boxes 1 up to m, each box have different probability , and the fixed number of balls are . Then what is maximum Likelihood of Multinomial Cell Probabilities?
Choices
| Choice (4) | Response | |
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| a. |
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| b. |
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| c. |
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| d. |
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Question number: 273
» Probability » Probability Distributions » Laplace
Question
If is a random sample of size 4 from a standard normal distribution. Then the will follow ________
Choices
| Choice (4) | Response | |
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| a. | Laplace distribution. |
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| b. | Exponential distribution |
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| c. | Bivariate normal distribution. |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 274
» Probability » Probability Distributions » Uniform
Question
If are i. i. d. uniform on , then if . Then Var is________.
Choices
| Choice (4) | Response | |
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| a. |
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| b. |
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| c. |
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| d. | None of the above |
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