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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
MCQ's Test For Chapter 7 "Statistics Ics Part 1 Chapter 7 Online Test"
Try The MCQ's Test For Chapter 7 "Statistics Ics Part 1 Chapter 7 Online Test"
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Total Questions17
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Time Allowed20
Statistics Ics Part 1 Chapter 7 Online Test
00:00
Question # 1
The simplest form of the continues distribution is the
Question # 2
Which of the following is suitable for discrete probability distribution.
Question # 3
Variance of σ2 is equal E to (Y2) - _______?
Question # 4
Which one is not an example of random experiments.
Question # 5
The probability of an impossible event is.
Question # 6
For a constant K ,the variance of K.
Question # 7
The probability of a continuous random variable at x = a is ---------------
Question # 8
If the random variable x denotes the number of heads of when three distinct coins are tossed k the X assumes values.
Question # 9
When two coins are tossed simulataneously the probability of at most one head is.
Question # 10
If a Vann diagram is drawn for events A and B which are mutually exclusive, which f the folloiwng would always be true of A and B.
Question # 11
Which is the impossible event when a dice is rolled.
Question # 12
The Area of trapezoid is equal to:
Question # 13
The probability distribution of discrete random variable is called is
Question # 14
F(-∞) is always equal to
Question # 15
E(X ± Y) =..............
Question # 16
Hourly temperature recorded by weather brave is the example of:
Question # 17
The probability of an event connot be.
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 x is a random variable with E(x) = 5 then E (3x - 2) = |
A. 0
B. 1
C. 13
D. 15
|
| 2 | 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
|
| 3 | If x and y are independent random variables, E(xy) |
A. E(XY)
B. xE(y)
C. E(XY)
D. E(X) . E(Y)
|
| 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 probability of getting an odd number when a balanced die is rolled is. |
A. 1/2
B. 1/3
C. 1/4
D. 1/6
|
| 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 | The probability of getting one red ball from a bag constaining 4 red, 3 white and 3 black balls is. |
A. 3/10
B. 1/5
C. 2/5
D. 1/2
|
| 8 | The probability distribution of discrete random variable is called is |
A. Frequency distribution
B. Probability distribution
C. Probability mass function
D. Both (a) and (b)
|
| 9 | 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
|
| 10 | F (+∞) is always equal to: |
A. 0
B. Two
C. One
D. None of these
|
Test Questions