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

When a die and a coin are rolled together all possible outcomes are.

Question # 2

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

Question # 3

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

Question # 4

The probability of continuous random variable at x = a is__________.

Question # 5

The result of no interest of an experiment is called.

Question # 6

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

Question # 7

Which of the following cannot be probability of an event.

Question # 8

Which of the following is suitable for discrete probability distribution.

Question # 9

F(-∞) is always equal to.

Question # 10

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

Question # 11

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

Question # 12

F(y1) ≤ F(y2) if

Question # 13

The probability of red card out of 52 cards is.

Question # 14

Coefficient  of variation (C.V) is given below

Question # 15

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

Question # 16

Waht is the probability that a ball drawn at random from the bag is.

Question # 17

A random variable is also called.

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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 random variable is also called.
A. Chance variable
B. Stochastic variable
C. Discrete variable
D. Both A and B
2 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.
3 Hourly temperature recorded by weather brave is the example of:
A. Discrete variable
B. Continuous variable
C. Qualitative
D. Both A and B
4 When two dice are rolled, the numebr of possible sample points is.
A. 6
B. 12
C. 36
D. 48
5 If a is a constant then E(a) is equal to
A. a
B. Square of a
C. Zero
D. 2a
6 Probability distribution of a continuous random variable can be presented by
A. tabular form
B. Formula
C. Curve
D. None of these
7 F(y1) ≤ F(y2) if
A. y1= y2
B. Y1>y2
C. y1≤y2
D. y≥1/2
8 E(y-μ) is equal to
A. E(y)
B. μ
C. zero
D. y-μ
9 For a constant K ,the variance of K.
A. Zero
B. A-2
C. K
D. None of these
10
Question Image
A. 4/10
B. 2/10
C. 1/10
D. 0

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