ISS Statistics Paper I (New 2016 MCQ Pattern): Questions 255 - 258 of 469

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Question number: 255

» Probability » Probability Distributions » Exponential

MCQ▾

Question

If Equation be independent random variables, with Equation having an Equation distribution. Then the distribution of min Equation is ________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

None of the above

Question number: 256

» Probability » Probability Distributions » Bernoulli

MCQ▾

Question

Suppose that a student takes a multiple choice test. The test has 20 questions, each of which has 4 possible answers (only one correct). If the student blindly guesses the answer to each question, do the questions form a sequence of Bernoulli trials? What will be the parameter Equation (probability of giving correct answer)?

Choices

Choice (4) Response

a.

Yes and Equation

b.

No but Equation

c.

Can’t say anything

d.

Insufficient information.

Question number: 257

» Probability » Probability Distributions » Laplace

MCQ▾

Question

The characteristic function of standard Laplace distribution is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 258

» Probability » Probability Distributions » Negative Binomial

MCQ▾

Question

Suppose that Equation and Equation are independent random variables for an experiment, and that Equation Negative Binomial distribution Equation and Equation Negative Binomial distribution Equation . Then

Choices

Choice (4) Response

a.

Binomial distribution Equation

b.

Negative Binomial distribution Equation

c.

Negative Binomial distribution Equation

d.

None of the above

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