ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 282 - 285 of 471

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Question number: 282

» Probability » Probability Distributions » Uniform

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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.

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 283

» Probability » Probability Distributions » Normal

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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

a.

0.975

b.

0.535

c.

0.725

d.

0.025

Question number: 284

» Probability » Probability Distributions » Binomial

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Question

Examine the following curves and choose the incorrect option regarding them.

Finding similarities and differences in the given curves

Finding Similarities and Differences in the Given Curves

What are the similarities and the differences in the two curves

Choices

Choice (4) Response

a.

A and B both follows binomial distribution

b.

A and B have same small value of the number of independent trials.

c.

B have large probability of success.

d.

None of the above

Question number: 285

» Probability » Distribution Functions and Properties

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Which of the following is/are not correct regarding cumulative distribution function?

Choices

Choice (4) Response

a.

Two random variables cannot have same cumulative distribution function.

b.

Two different cumulative distribution functions cannot correspond to single random variable.

c.

Question does not provide sufficient data or is vague

d.

All of the above