Probability-Probability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 38 - 42 of 109
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Question number: 38
» Probability » Probability Distributions » Cauchy
Question
The characteristic function of standard Cauchy distribution is ________.
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| Choice (4) | Response | |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 39
» Probability » Probability Distributions » Binomial
Question
Which of the following statement is/are correct regarding De Moivre–Laplace theorem?
Choices
| Choice (4) | Response | |
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| a. | It is valid for very large values of n. |
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| b. | It is a special case of the Chebyshev’s inequality. |
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| c. | It states that the normal distribution may be used as an approximation to the binomial distribution. |
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| d. | None of the above |
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Question number: 40
» Probability » Probability Distributions » Normal
Question
A factory produces chocolates which are where quantity measured in grams. Chocolates which are lighter than 3.5 gram or heavier than 4.4 gram are rejected. Out of a bunch of 100 chocolates how many would be acceptable?
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| Choice (4) | Response | |
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| a. | 72 |
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| b. | 90 |
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| c. | 47 |
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| d. | 86 |
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Question number: 41
» Probability » Probability Distributions » Geometric
Question
Geometric distribution satisfy which of the following property/properties?
Choices
| Choice (4) | Response | |
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| a. | Markov property & Memoryless property |
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| b. | Memoryless property |
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| c. | Markov property |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 42
» Probability » Probability Distributions » Multinomial
Question
Out of 10 persons, what is the probability that 2 are poor, 5 are rich, 2 belongs to upper middle class and 1 belongs to lower middle class family? Assuming classification of individuals are independent event and the probability of being poor, rich, upper middle and lower middle are respectively.
Choices
| Choice (4) | Response | |
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| a. | 1.54×10-5 |
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| d. | All of the above |
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