PS_CH-2_QB

PS_CH-2_QB

University

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40 Qs

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PS_CH-2_QB

PS_CH-2_QB

Assessment

Quiz

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Education

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University

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Practice Problem

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Hard

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40 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec β€’ 10 pts

A random variable is also called

Constant

Variable

Attribute

Chance Variable

2.

MULTIPLE CHOICE QUESTION

20 sec β€’ 10 pts

Suppose, four coins are tossed, the value of a random variable H (No. of heads) is:

1,2,3,4

0,1,2,3,4

0,1,2,3

0,1

3.

MULTIPLE CHOICE QUESTION

20 sec β€’ 10 pts

If x is a discrete random variable, the function f(x) is

Distribution function

Probability function

Density function

None of these

4.

MULTIPLE CHOICE QUESTION

20 sec β€’ 10 pts

The sum of probabilities of a discrete random variable is

Zero

Four

Three

One

5.

MULTIPLE CHOICE QUESTION

20 sec β€’ 10 pts

A random variable assuming only a finite number of values is called:

Discrete random variable

Continuous random variable

Random variable

None of these

6.

MULTIPLE CHOICE QUESTION

20 sec β€’ 10 pts

Height measurements of 50 students studying in a college

Discrete variable

Random variable

Constant

Continuous variable

7.

MULTIPLE CHOICE QUESTION

20 sec β€’ 10 pts

The number of students in a class is an example of

Continuous variable

Discrete variable

Definite variable

None of these

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