Probability-Probability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 58 - 61 of 109
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Question number: 58
» Probability » Probability Distributions » Poisson
Question
Suppose 1 in 5000 balls are defective. Let denote the number of defective balls in a group of size 10000. What is the chance that at least 2 of them is defective?
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| d. | None of the above |
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Question number: 59
» Probability » Probability Distributions » Uniform
Question
The average number of biscuits a ten-year old child eats per day is uniformly distributed from 2 to 5 biscuits, inclusive. Find the probability that a ten-year old child eats an average of more than three biscuits given that his or her amount is more than 2.5.
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| d. | None of the above |
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Question number: 60
» Probability » Probability Distributions » Normal
Question
Suppose a sample of bulbs of same type are obtained at random from an ongoing production process in which of all such bulbs produced are defective. What is the probability that I such a sample 150 or fewer bulbs will be defective?
Choices
| Choice (4) | Response | |
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| a. | 0.725 |
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| b. | 0.975 |
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| c. | 0.025 |
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| d. | 0.535 |
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Question number: 61
» Probability » Probability Distributions » Binomial
Question
Examine the following curves and choose the incorrect option regarding them.
Finding Similarities and Differences in the Given Curves
What are the similarities and the differences in the two curves
Choices
| Choice (4) | Response | |
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| a. | A and B both follows binomial distribution |
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| b. | A and B have same small value of the number of independent trials. |
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| c. | B have large probability of success. |
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| d. | None of the above |
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