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7th Chapter

## First Year Statistics Chapter 7 Online MCQ Test for 1st Year Statistics Chapter 7 (Random Variables)

This online test contains MCQs about following topics:

Introduction to random variables . Random numbers and their generation . Application of random number . Concept of random variable and their construction from different fields . Discreate and continuous random variables

#### ICS Part 1 Statistics Chapter 7 Test

Start Chapter 7 Test

### First Year Statistics Chapter 7 Online MCQ Test for 1st Year Statistics Chapter 7 (Random Variables)

1 Var (B/aX) =?
• A. 1/aVar(X)
• B. b<sup>2</sup>/a<sup>2</sup> Var(X)
• C. b<sup>2</sup>/a Var(X)
• D. None of these
2 Which is the impossible event when a dice is rolled.
• A. 5 or 6
• B. 6 or 7
• C. 2 or 3
• D. 1
3 When three coins are tossed simulatneously, P(3 heads) is.
• A. 3/8
• B. 1/2
• C. 1/8
• D. 1/4
4 What is the probability that a value chosen at random from a particular population is larger than the median of the popultion.
• A. 0.25
• B. 0.5
• C. 1.0
• D. 0.67
5 F(y<sub>1</sub>)&nbsp;≤ F(y<sub>2</sub>) if
• A. y<sub>1</sub>= y<sub>2</sub>
• B. Y<sub>1</sub>&gt;y<sub>2</sub>
• C. y<sub>1</sub>≤y<sub>2</sub>
• D. y≥1/2
6 If x is a random variable with E(x) = 5 then E (3x - 2) =
• A. 0
• B. 1
• C. 13
• D. 15
7 Probability distribution of a continuous random variable can be presented by
• A. tabular form
• B. Formula
• C. Curve
• D. None of these
8 <br>
• A. 8
• B. 0
• C. 1/8
• D. 3
9 Which of the following cannot be probability of an event.
• A. 0
• B. 1
• C. 0.32
• D. 1.00
10 The simple probability of occurrence of an event in called the.
• A. Joint probability
• B. Conditional probability
• C. Marginal probability
• D. Subjective probability

### Top Scorers of Statistics Ics Part 1 Chapter 7 Online Test

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#### Waseem

Lahore13 - May - 2022

17/17
02 Mins 24 Sec
N

#### Noor Fatima 3207

Lahore30 - May - 2022

17/17
07 Mins 52 Sec
N

#### Noor Fatima 3207

Lahore30 - May - 2022

15/17
07 Mins 52 Sec
E

#### EDITS X FANPAGES

Lahore30 - Jun - 2022

14/17
04 Mins 33 Sec
A

#### Aiman Sami

Lahore21 - Jun - 2022

9/17
03 Mins 51 Sec

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