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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ICS Part 1 Statistics Chapter Wise Test

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

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Question # 1

The Area of trapezoid is equal to:

Question # 2

When two dice are rolled, the numebr of possible sample points is.

Question # 3

If a Vann diagram is drawn for events A and B which are mutually exclusive, which f the folloiwng would always be true of A and B.

Question # 4

Events with equal probabilities are called.

Question # 5

Which of the following cannot be probability of an event.

Question # 6

If the random variable x denotes the number of heads when three distinct coins are tossed, the x assumes values

Question # 7

The probability of an impossible event is.

Question # 8

The probability of getting one red ball from a bag constaining 4 red, 3 white and 3 black balls is.

Question # 9

Which one is not an example of random experiments.

Question # 10

If mean = 25 and variance is also 25, then coefficient of variation is

Question # 11

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

Question # 12

When two dice are rolled, the maximum totla on the two faces of dice will be.

Question # 13

The probability of drawing two acea from apack of 52 cards with replacement is.

Question # 14

The numbered balls are paced in an urn, Numbers 1- 4 are red and numbers 5 -10 are blue. the probability that a ball drawn at random from the run is blue is.

Question # 15

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

Question # 16

When two coins are tossed simultaneously, P (one head ) is.

Question # 17

The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls 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 a measure of the chance that an uncertain event will occur.
A. An experiment
B. An event
C. A probability
D. A trail
2 A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is.
A. 1/5
B. 3/10
C. 1/2
D. 2/5
3 When two coins are tossed simulataneously the probability of at most one head is.
A. 1/2
B. 1/4
C. 3/4
D. None of these
4 The probability of red card out of 52 cards is.
A. 1/4
B. 1/2
C. 4/52
D. zero
5 Coefficient  of variation (C.V) is given below
A. Mean /S.D x10
B. Mean/S.D x 100
C. S.D/Mean x 100 
D. S.D/ Mean 
6 If mean = 25 and variance is also 25, then coefficient of variation is
A. 100%
B. 25%
C. 20%
D. 10%
7 the term 'event' is used for.
A. Time
B. Subaet of the sample space
C. Total number of outcomes
D. Probability
8 The result of no interest of an experiment is called.
A. Contstant
B. even
C. Failure
D. Success
9 When a pair of dice is rolled, the sum of upperemost dots vary from.
A. 0 to 10
B. 1 to 11
C. 2 to 19
D. 2 to 12
10 E(X ± Y) =..............
A. E(X) + E(Y)
B. E(X) - E (Y)
C. E(x) ± E (Y)
D. None of these

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