ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 265 - 269 of 472

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Question number: 265

» Probability » Discrete and Continuous Random Variables

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MCQ▾

Question

Which of the following statement is Incorrect regarding a random variable?

Choices

Choice (4)Response

a.

A random variable can be discrete as well as continuous.

b.

The height or weight of a randomly chosen individual from a population is a continuous random variable.

c.

The volume of fuel consumed by a bus on its route is a continuous random variable.

d.

Question does not provide sufficient data or is vague

Question number: 266

» Probability » Probability Distributions » Hypergeometric

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Question

In a bridge hand, the probability density function of the number of spades will be________.

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 267

» Probability » Probability Distributions » Geometric

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MCQ▾

Question

In the diagram of a geometric distribution given below, the parameter of probability of success of each trail is________.

Find parameters of this geometric distributions

Find Parameters of this Geometric Distributions

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 268

» Probability » Probability Distributions » Multinomial

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Question

If are independent Poisson random variables such that, then the conditional distribution of vector with will follow

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 269

» Probability » Probability Distributions » Laplace

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MCQ▾

Question

Which of the following statement is/are always correct regarding the probability density function of a Laplace distribution?

Choices

Choice (4)Response

a.

It is concave upward on and on with a cusp at

b.

It is symmetric about

c.

It increases on and decreases on , with mode

d.

None of the above

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