First Year ICS Statistics Chapter 7 Online MCQ Test (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

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MCQ's Test For Chapter 7 "Statistics Ics Part 1 Chapter 7 Online Test"

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Statistics Ics Part 1 Chapter 7 Online Test

00:00
Question # 1

Is the tossing of two perfect coins the probability at least one head occur is.

Question # 2

For discrete random variable 'X' the expectation of X I-e E(x) is equal to:

Question # 3

Var (B/aX) =?

Question # 4

Which one is not an example of random experiments.

Question # 5

When two coins are tossed simulataneously the probability of at most one head is.

Question # 6

The probability of an impossible event is.

Question # 7

 Var (3x+2)

Question # 8

F (+∞) is always equal to:

Question # 9

A probability function is _________ function.

Question # 10

Which of the following cannot be probability of an event.

Question # 11

the term 'event' is used for.

Question # 12

Waht is the probability that a ball drawn at random from the bag is.

Question # 13

For a constant K ,the variance of K.

Question # 14

If y =-7x then E(y) = ...............

Question # 15

E(y-μ) is equal to

Question # 16

Tossing two dice possble sampes are.

Question # 17

If two coins are tossed, the probability of getting one head and one tail is.

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ICS Part 1 Statistics Chapter 7 MCQs Test

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ICS Part 1 Statistics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which is the impossible event when a dice is rolled.
A. 5 or 6
B. 6 or 7
C. 2 or 3
D. 1
2 If a is a constant then E(a) is equal to
A. a
B. Square of a
C. Zero
D. 2a
3 The Area of trapezoid is equal to:
A. sum of paralled sides x base
B. sum of paralled sides x base/2
C. 2 x base x sum of paralled side 
D. Sum of paralled sides x base/4
4 Hourly temperature recorded by weather brave is the example of:
A. Discrete variable
B. Continuous variable
C. Qualitative
D. Both A and B
5 For two independent random variables, Var(x) = 14 and Var(Y ) = 5, then var (X-y) is equal to.
A. 9
B. 70
C. 19
D. None of these
6 If the random variable x denotes the number of heads when three distinct coins are tossed, the x assumes values
A. 0, 1, 2, 3
B. 1, 3, 3, 1
C. 1, 2, 3
D. None of these
7 Var (B/aX) =?
A. 1/aVar(X)
B. b2/a2 Var(X)
C. b2/a Var(X)
D. None of these
8 The simple probability of occurrence of an event in called the.
A. Joint probability
B. Conditional probability
C. Marginal probability
D. Subjective probability
9 F(y1) ≤ F(y2) if
A. y1= y2
B. Y1>y2
C. y1≤y2
D. y≥1/2
10 Which one is not an example of random experiments.
A. A coin is tossed and the outcome is either a head or a tail
B. A six sided aid is rolled
C. All medical insurance clams received by a company in a given year.
D. Some one of person will be admitted to a hospital emergency room during any hour.

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