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

### Choices

Choice (4) Response

a.

b.

c.

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 (probability of giving correct answer)?

### Choices

Choice (4) Response

a.

Yes and

b.

No but

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.

b.

c.

d.

## Question number: 258

» Probability » Probability Distributions » Negative Binomial

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

Binomial distribution

b.

Negative Binomial distribution

c.

Negative Binomial distribution

d.

None of the above

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