Probability-Probability Distributions (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 55 - 57 of 109
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Question number: 55
» Probability » Probability Distributions » Poisson
Question
Twenty sheets of copper alloy were examined for surface flaws. The frequency of the number of sheets with a given number of flaws per sheet was as follows:
|
Number of flaws
|
Frequency
|
|
0
|
4
|
|
1
|
3
|
|
2
|
5
|
|
3
|
2
|
|
4
|
4
|
|
5
|
1
|
What is the probability of finding a sheet chosen at random which contains 3 or more surface flaws?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
|
| b. |
|
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| c. |
|
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| d. | Question does not provide sufficient data or is vague |
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Question number: 56
» Probability » Probability Distributions » Bernoulli
Question
Consider be a sequence of Bernoulli distribution. Which of the following two statements are correct regardingif any measurable set ?
Statement 1:
Statement 2:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Only Statement 2 is correct. |
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| b. | Only Statement 1 is correct. |
|
| c. | Neither Statement 1 nor Statement 2 is correct. |
|
| d. | Both a. and b. are correct |
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Question number: 57
» Probability » Probability Distributions » Cauchy
Question
If has the standard Cauchy distribution and that and . Then satisfy following options:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | It has distribution function |
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| b. | It has pdf |
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| c. | None of the above |
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| d. | All of the above |
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