ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 312 - 314 of 471

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Question number: 312

» Probability » Probability Distributions » Gamma

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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.

b.

0.8647

c.

d.

None of the above

Question number: 313

» Probability » Probability Distributions » Lognormal

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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.

None of the above

Question number: 314

» Probability » Probability Distributions » Random Vectors

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What is the distribution function of a random variable which have following density function?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague