Probability-Probability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 6 - 10 of 109

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 469 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 6

» Probability » Probability Distributions » Exponential

MCQ▾

Question

The moment generating function of an exponential random variable X with parameter λ (for t < 1/λ) is:

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 7

» Probability » Probability Distributions » Normal

MCQ▾

Question

Suppose marks of students in a test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a student who gives the test will score between 90 and 110?

Choices

Choice (4) Response

a.

0.84

b.

0.68

c.

0.16

d.

All of the above

Question number: 8

» Probability » Probability Distributions » Rectangular

MCQ▾

Question

Which of the following statement is/are not correct regarding a random variable?

Choices

Choice (4) Response

a.

A random variable can be uniformly distributed in

b.

A random variable can be uniformly distributed in (.

c.

Both a. and b. are correct

d.

None of the above

Question number: 9

» Probability » Probability Distributions » Binomial

MCQ▾

Question

Let binomial distribution . Let , the moment generating function of is________?

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 10

» Probability » Probability Distributions » Hypergeometric

MCQ▾

Question

If the population size is and the sample size is , then the value of finite population correction factor is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

f Page
Sign In