ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 291 - 295 of 472

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Question number: 291

» Probability » Probability Distributions » Geometric

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MCQ▾

Question

If geometric distribution, then will have ________.

Choices

Choice (4)Response

a.

Uncountable and possibly infinite number of possible values.

b.

Uncountable number of possible values.

c.

Countable but possibly infinite number of possible values.

d.

Countable possibly finite number of possible values.

Question number: 292

» Probability » Probability Distributions » Cauchy

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MCQ▾

Question

The Student distribution with one degree of freedom has PDF________.

Choices

Choice (4)Response

a.

b.

Standard Cauchy distribution

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 293

» Probability » Conditional Probability

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Question

Suppose that five good bulbs and two defective ones have been mixed up. To find the defective bulbs, we test them one-by-one, at random and without replacement. What is the probability that we are lucky and find both of the defective fuses in the first two tests?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 294

» Probability » Probability Distributions » Hypergeometric

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Question

A box contain 2000 items of which are defective. Find the probability that 2 defectives will be obtained in a sample of size 10 without replacement.

Choices

Choice (4)Response

a.

0.347

b.

0.193

c.

0.388

d.

0.923

Passage

The random number generator in Excel is set to produce numbers at random from 4 to 20 using a rectangular distribution.

Question number: 295 (1 of 2 Based on Passage) Show Passage

» Probability » Probability Distributions » Rectangular

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Question

The probability of getting a value less than 8 is________ and is________.

Choices

Choice (4)Response

a.

0.50 and 0.25

b.

0.125 and 0.25

c.

0.25 and 0.50

d.

All of the above

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