# ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 243 - 248 of 472

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## Question number: 243

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MCQ▾

### Question

Which of the following statement is/are incorrect regarding a cumulative distribution function ?

### Choices

Choice (4)Response

a.

is continuous from the right.

b.

have limits from left

c.

is increasing

d.

None of the above

## Question number: 244

» Probability » Probability Distributions » Multinomial

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MCQ▾

### Question

If where, then, ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 245

» Probability » Probability Distributions » Bernoulli

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MCQ▾

### Question

If is a Bernoulli trials process with parameter, then will be ________with parameter________?

### Choices

Choice (4)Response

a.

Non- Bernoulli trials,

b.

Bernoulli trials, 1-

c.

Bernoulli trials,

d.

All of the above

## Question number: 246

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MCQ▾

### Question

Z is the number of reading sessions a randomly chosen public library offers in their literacy program for kids. Is the random variable Z discrete or continuous?

### Choices

Choice (4)Response

a.

Can’t say anything

b.

Discrete

c.

Sometime discrete sometime continuous

d.

Continuous

## Question number: 247

» Probability » Probability Distributions » Exponential

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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: 248

» Probability » Probability Distributions » Bernoulli

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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.

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