ISS Statistics Paper I (New 2016 MCQ Pattern): Questions 219 - 223 of 404

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Question number: 219

» Probability » Distribution Functions and Properties

MCQ▾

Question

Let X be a continuous random variable with the following PDF

fX(x)={

where, k is a positive constant. The value of k is?

Choices

Choice (4) Response

a.

1

b.

12

c.

2

d.

None of the above

Question number: 220

» Probability » Discrete and Continuous Random Variables

MCQ▾

Question

Z is the distance traveled by a randomly chosen business consultant last year. Is the random variable Z discrete or continuous?

Choices

Choice (4) Response

a.

Can’t say anything

b.

Sometime discrete sometime continuous

c.

Discrete

d.

Continuous

Question number: 221

» 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 (0,a)andlima=

b.

A random variable can be uniformly distributed in ( b,b)andlimb= .

c.

Both a. and b. are correct

d.

None of the above

Question number: 222

» Probability » Probability Distributions » Binomial

MCQ▾

Question

Let X~ binomial distribution B(n,p) . Let q=1p , the moment generating function of X is________?

Choices

Choice (4) Response

a.

(1q+pet)n

b.

(q+pet)n

c.

(p+qet)n

d.

None of the above

Question number: 223

» Probability » Distribution Functions and Properties

MCQ▾

Question

Which of the following options could be the example of cumulative distribution function?

Understanding the various cumulative distribution functions

Understanding the Various Cumulative Distribution Functions

Knowing the various curves and cumulative distributions

Choices

Choice (4) Response

a.

A, B and C

b.

A, B and D

c.

C and D

d.

None of the above

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