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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
Variance of σ2 is equal E to (Y2) - _______?
Question # 2
A probability function is _________ function.
Question # 3
The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is.
Question # 4
E(x - μ) is equal to:
Question # 5
If x and y are independent random variables, then E(xy)
Question # 6
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 # 7
The probability of continuous random variable at x = a is__________.
Question # 8
The range of probability is between
Question # 9
For two independent random variables, Var(x) = 14 and Var(Y ) = 5, then var (X-y) is equal to.
Question # 10
The Area of trapezoid is equal to:
Question # 11
When a pair of dice is rolled, the sum of upperemost dots vary from.
Question # 12
F(y1) ≤ F(y2) if
Question # 13
The probability of red card out of 52 cards is.
Question # 14
If the random variable x denotes the number of heads when three distinct coins are tossed, the x assumes values
Question # 15
If one event is unaffected by the outcome of another event, the two events are said to be
Question # 16
The probability of getting an odd number when a balanced die is rolled is.
Question # 17
E(y-μ) is equal to
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 set of numerical values assigned to a sample space is called. |
A. Random sample
B. Random variable
C. Random numbers
D. Random experiment
|
| 2 | The result of no interest of an experiment is called. |
A. Contstant
B. even
C. Failure
D. Success
|
| 3 | If x is a random variable with E(x) = 5 then E(3x - 2) = |
A. 0
B. 1
C. 13
D. All of them
|
| 4 | E(y-μ) is equal to |
A. E(y)
B. μ
C. zero
D. y-μ
|
| 5 | When a die and a coin are rolled together all possible outcomes are. |
A. 2
B. 6
C. 12
D. 36
|
| 6 | For a constant k, the variance of k is |
A. zero
B. k2
C. k
D. none of these
|
| 7 | Tossing two dice possble sampes are. |
A. 2
B. 6
C. 12
D. 36
|
| 8 | 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
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| 9 | E(x - μ) is equal to: |
A. E(x)
B. zero
C. μ
D. X - μ
|
| 10 | 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)
|
Test Questions
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