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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  • Total Questions17

  • Time Allowed20

Statistics Ics Part 1 Chapter 7 Online Test

00:00
Question # 1

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

Question # 2

E(x - μ) is equal to:

Question # 3

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

Question # 4

E(x) = Σxf(x) if it ________ absolutely.

Question # 5

Tossing two dice possble sampes are.

Question # 6

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

Question # 7

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

Question # 8

Events with equal probabilities are called.

Question # 9

Which of the following cannot be probability of an event.

Question # 10

a measure of the chance that an uncertain event will occur.

Question # 11

For a constant K ,the variance of K.

Question # 12

E(Y2) -[E(y)]2 is the formula, and to compute.

Question # 13

A probability function is _________ function.

Question # 14

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

Question # 15

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

Question # 16

The sum of probabilities of events of a sample space is always.

Question # 17

F(-) is always equal to

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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 a continuous random variable at x = a is ---------------
A. One
B. Zero
C. Between 0 and 1
D. More than one
2 The simplest form of the continues distribution is the
A. Skewed distribution
B. Kurtic distribution
C. Binomial distribution
D. Uniform distribution
3 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
4 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.
A. 0.1
B. 0.4
C. 0.6
D. 1.0
5 The result of no interest of an experiment is called.
A. Contstant
B. even
C. Failure
D. Success
6 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
7 a measure of the chance that an uncertain event will occur.
A. An experiment
B. An event
C. A probability
D. A trail
8 When three coins are tossed simulatneously, P(3 heads) is.
A. 3/8
B. 1/2
C. 1/8
D. 1/4
9 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
10 If x is a random variable with E(x) = 5 then E(3x - 2) =
A. 0
B. 1
C. 13
D. All of them

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