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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
For a constant k, the variance of k is
Question # 2
When two dice are rolled, the numebr of possible sample points is.
Question # 3
When two coins are tossed simultaneously, P (one head ) is.
Question # 4
Is the tossing of two perfect coins the probability at least one head occur is.
Question # 5
The probability of continuous random variable at x = a is__________.
Question # 6
Coefficient of variation (C.V) is given below
Question # 7
A probability function is _________ function.
Question # 8
For two independent random variables, Var(x) = 14 and Var(Y ) = 5, then var (X-y) is equal to.
Question # 9
The probability of drawing two acea from apack of 52 cards with replacement is.
Question # 10
The probability of a continuous random variable at x = a is ---------------
Question # 11
a measure of the chance that an uncertain event will occur.
Question # 12
If the random variable x denotes the number of heads of when three distinct coins are tossed k the X assumes values.
Question # 13
Var (B/aX) =?
Question # 14
Var (3x + 2)
Question # 15
Which is the impossible event when a dice is rolled.
Question # 16
The simplest form of the continuous distribution is the.
Question # 17
If mean = 25 and variance is also 25, then coefficient of variation is
ICS Part 1 Statistics Chapter 7 MCQs Test
Top Scorers Of Chapter 7 "Statistics Ics Part 1 Chapter 7 Online Test" MCQ`s Test
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ICS Part 1 Statistics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following is suitable for discrete probability distribution. |
A. Frequency polygon
B. Probability
C. Ogive
D. Histogram
|
| 2 | If y =-7x then E(y) = ............... |
A. E(x)
B. -7X
C. -7E(X)
D. Zero
|
| 3 | When three coins are tossed simulatneously, P(3 heads) is. |
A. 3/8
B. 1/2
C. 1/8
D. 1/4
|
| 4 | Random variable is also called ___________. |
A. Chance stochasitc
B. Coverges
C. Random
D. None of these
|
| 5 | The result of no interest of an experiment is called. |
A. Contstant
B. even
C. Failure
D. Success
|
| 6 | Var (B/aX) =? |
A. 1/aVar(X)
B. b2/a2 Var(X)
C. b2/a Var(X)
D. None of these
|
| 7 | The probability of an impossible event is. |
A. Positive
B. Zero
C. Negative
D. 1
|
| 8 | 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
|
| 9 | 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)
|
| 10 | Coefficient of variation (C.V) is given below |
A. Mean /S.D x10
B. Mean/S.D x 100
C. S.D/Mean x 100
D. S.D/ Mean
|
Test Questions
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