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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  • Total Questions17

  • Time Allowed20

Statistics Ics Part 1 Chapter 7 Online Test

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Question # 1

A student soved 25 questions from first 50 questios of a book to be solved. The prob, that he will solve the remaining all questions.

Question # 2

The probability of red card out of 52 cards is.

Question # 3

A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is.

Question # 4

The simplest form of the continues distribution is the

Question # 5

The Area of trapezoid is equal to:

Question # 6

E(x - μ) is equal to:

Question # 7

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

Question # 8

Var (KY) = ......................

Question # 9

F(-∞) is always equal to.

Question # 10

For a constant K ,the variance of K.

Question # 11

The probability of an impossible event is.

Question # 12

The probability of an event connot be.

Question # 13

Hourly temperature recorded by weather brave is the example of:

Question # 14

the collection of all possible outcome of a random experimnet is called.

Question # 15

F (+∞) is always equal to:

Question # 16

If x and y are independent random variables, E(xy)

Question # 17

A set of numerical values assigned to a sample space is called.

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7th Chapter

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 Probability distribution of a continuous random variable can be presented by
A. tabular form
B. Formula
C. Curve
D. None of these
2 If mean = 25 and variance is also 25, then coefficient of variation is
A. 100%
B. 25%
C. 20%
D. 10%
3 the term 'event' is used for.
A. Time
B. Subaet of the sample space
C. Total number of outcomes
D. Probability
4 When two coins are tossed simultaneously, P (one head ) is.
A. 1/2
B. 1/4
C. 3/4
D. 1.0
5 For a constant k, the variance of k is
A. zero
B. k2
C. k
D. none of these
6 A set of numerical values assigned to a sample space is called.
A. Random sample
B. Random variable
C. Random numbers
D. Random experiment
7 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
8 If x and y are independent random variables, then E(xy)
A. E(xy)
B. xE(y)
C. E(x)
D. E(x)E(y)
9 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
10 The probability of continuous random variable at x = a is__________.
A. One
B. Zero
C. Between
D. More then one

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