ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 245 - 248 of 471

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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

» Probability » Discrete and Continuous Random Variables

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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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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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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.