Probability-Probability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 97 - 99 of 109

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Question number: 97

» Probability » Probability Distributions » Lognormal

MCQ▾

Question

A three-point estimate of a lognormal distribution parameters Equation and Equation is________.

Choices

Choice (4) Response

a.

Equation and Equation

b.

Equation Equation and Equation

c.

Equation Equation and Equation

d.

Equation Equation and Equation

Question number: 98

» Probability » Probability Distributions » Joint and Marginal Distributions

MCQ▾

Question

Equation is a continuous random variable with density function Equation for Equation Equation is also jointly distributed with the continuous random variable Equation , and the conditional density ofEquation given Equation is Equation . Find Equation for Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

Question number: 99

» Probability » Probability Distributions » Gamma

MCQ▾

Question

Suppose that Equation andEquation are independent random variables, and that Equation has the gamma distribution with shape parameter Equation and scale parameter Equation for Equation . Then Equation has the ________distribution with shape parameter________and scale parameter________.

Choices

Choice (4) Response

a.

Gamma, Equation

b.

Normal, Equation

c.

Gamma, Equation

d.

None of the above

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