ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 311 - 314 of 461

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Question number: 311

» Probability » Probability Distributions » Beta

MCQ▾

Question

If is the mode of given , then which of the following relation is correct:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 312

» Probability » Probability Distributions » Conditional Distributions

MCQ▾

Question

A continuous random vector have joint probability distribution function

What is the mean of conditional density of given ?

Choices

Choice (4) Response

a.

b.

c.

x

d.

None of the above

Question number: 313

» Probability » Probability Distributions » Gamma

MCQ▾

Question

Suppose that a bullet is fired at a target at the origin of a plane coordinate system, with units in meters. The bullet lands at where and are independent and each has the normal distribution with mean 0 and variance 100. The bullet will destroy the target if it lands within 20 meters of the target. Find the probability of this event.

Choices

Choice (4) Response

a.

0.8647

b.

c.

d.

None of the above

Question number: 314

» Probability » Probability Distributions » Lognormal

MCQ▾

Question

Using the method of moment estimation, find the estimators and of parameters of if .

Choices

Choice (4) Response

a.

and

b.

and

c.

and

d.

All of the above

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