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

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Question # 1

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

Question # 2

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

Question # 3

If one event is unaffected by the outcome of another event, the two events are said to be

Question # 4

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

Question # 5

The probability of getting an odd number when a balanced die is rolled is.

Question # 6

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

Question # 7

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

Question # 8

For two independent random variables, Var(x) = 14 and Var(Y ) = 5, then var (X-y) is equal to.

Question # 9

If x is a random variable with E(x) = 5 then E (3x - 2) =

Question # 10

The Area of trapezoid is equal to:

Question # 11

Which one is not an example of random experiments.

Question # 12

The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is.

Question # 13

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

Question # 14

E(y-μ) is equal to

Question # 15

The simple probability of occurrence of an event in called the.

Question # 16

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

Question # 17

If x is a random variable with E(x) = 5 then E(3x - 2) =

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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 If two coins are tossed, the probability of getting one head and one tail is.
A. 1/4
B. 2/4
C. 3/4
D. 2/3
2 The probability of an event connot be.
A. = 0
B. > 0
C. =1
D. < 0
3 When a die and a coin are rolled together all possible outcomes are.
A. 2
B. 6
C. 12
D. 36
4 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
5 If x is a random variable with E(x) = 5 then E(3x - 2) =
A. 0
B. 1
C. 13
D. All of them
6 If one event is unaffected by the outcome of another event, the two events are said to be
A. Dependent
B. Independent
C. Mutually exclusive
D. Both b and c
7 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.
A. 0.25
B. 0.51
C. 1
D. 0
8 The result of no interest of an experiment is called.
A. Contstant
B. even
C. Failure
D. Success
9 A random variable is also called.
A. Chance variable
B. Stochastic variable
C. Discrete variable
D. Both A and B
10 The simplest form of the continues distribution is the
A. Skewed distribution
B. Kurtic distribution
C. Binomial distribution
D. Uniform distribution

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