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

00:00
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

A probability function is _________ function.

Question # 3

F(-∞) is always equal to

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

When a pair of dice is rolled, the sum of upperemost dots vary from.

Question # 8

E(y-μ) is equal to

Question # 9

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

Question # 10

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

Question # 11

Tossing two dice possble sampes are.

Question # 12

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

Question # 13

The coins are tossed, the porbability of two tails is euql to.

Question # 14

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

Question # 15

The probability distribution of discrete random variable is called is

Question # 16

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

Question # 17

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

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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 The probability of drawing two acea from apack of 52 cards with replacement is.
A. 1/169
B. 1/10
C. 1/4
D. 1/256
2 Hourly temperature recorded by weather brave is the example of:
A. Discrete variable
B. Continuous variable
C. Qualitative
D. Both A and B
3 The sum of probabilities of events of a sample space is always.
A. Equal
B. Discrete
C. Continuous
D. Always greater then oen
4 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.
5 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
6 Variance of σ2 is equal E to (Y2) - _______?
A. E (y)
B. [E(y)]2
C. E(y2)
D. None of these
7 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
8 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
9 The probability of red card out of 52 cards is.
A. 1/4
B. 1/2
C. 4/52
D. zero
10 When a die and a coin are rolled together all possible outcomes are.
A. 2
B. 6
C. 12
D. 36

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