Probability-Probability Distributions (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 35 - 39 of 109
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Question number: 35
» Probability » Probability Distributions » Laplace
Question
The moment generating function of standard Laplace distribution is ________,
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Question number: 36
» Probability » Probability Distributions » Binomial
Question
The ratio of boys to girls at birth in Malda is at 1.05: 1. What proportion of Malda families with exactly 4 children will have at least 2 boys? (Ignore the probability of multiple births. )
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| Choice (4) | Response | |
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| a. | 0.5324 |
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| b. | 0.2788 |
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| c. | 0.3745 |
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| d. | 0.4266 |
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Question number: 37
» Probability » Probability Distributions » Binomial
Question
Hospital records show that of patients suffering from a certain disease, 85 % die of it. What is the probability that of 5 randomly selected patients, 4 will recover?
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| Choice (4) | Response | |
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| a. | 0.0021 |
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| b. | 0.0454 |
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| c. | 0.0254 |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 38
» Probability » Probability Distributions » Cauchy
Question
The characteristic function of standard Cauchy distribution is ________.
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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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