ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 247 - 250 of 472

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 472 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

How to register?

Question number: 247

» Probability » Discrete and Continuous Random Variables

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.

Discrete

b.

Continuous

c.

Sometime discrete sometime continuous

d.

Can’t say anything

Question number: 248

» 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: 249

» 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: 250

» Probability » Probability Distributions » Laplace

MCQ▾

Question

The characteristic function of standard Laplace distribution is ________

Choices

Choice (4) Response

a.

b.

c.

d.

f Page