ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 270 - 274 of 461

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Question number: 270

» Probability » Probability Distributions » Laplace

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 symmetric about

b.

It increases on and decreases on , with mode

c.

It is concave upward on and on with a cusp at

d.

None of the above

Question number: 271

» Probability » Probability Distributions » Negative Binomial

MCQ▾

Question

Reshma is a basketball player. She is free throw shooter. What is the probability that Reshma makes her third free throw on her fifth shot?

Choices

Choice (4) Response

a.

0.414

b.

0.207

c.

0.185

d.

0.735

Question number: 272

» Probability » Probability Distributions » Multinomial

MCQ▾

Question

If are counts in cells/boxes 1 up to m, each box have different probability , and the fixed number of balls are . Then what is maximum Likelihood of Multinomial Cell Probabilities?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 273

» Probability » Probability Distributions » Laplace

MCQ▾

Question

If is a random sample of size 4 from a standard normal distribution. Then the will follow ________

Choices

Choice (4) Response

a.

Laplace distribution.

b.

Exponential distribution

c.

Bivariate normal distribution.

d.

Question does not provide sufficient data or is vague

Question number: 274

» Probability » Probability Distributions » Uniform

MCQ▾

Question

If are i. i. d. uniform on , then if . Then Var is________.

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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