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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
E(x) = Σxf(x) if it ________ absolutely.
Question # 2
A random variable is also called.
Question # 3
The probability of drawing two acea from apack of 52 cards with replacement is.
Question # 4
The probability of red card out of 52 cards is.
Question # 5
A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is.
Question # 6
Tossing two dice possble sampes are.
Question # 7
The probability of drawan any one spade card is.
Question # 8
When two coins are tossed simultaneously, P (one head ) is.
Question # 9
For a constant K ,the variance of K.
Question # 10
The probability of continuous random variable at x = a is__________.
Question # 11
The coins are tossed, the porbability of two tails is euql to.
Question # 12
E(X ± Y) =..............
Question # 13
The probability distribution of discrete random variable is called is
Question # 14
If mean = 25 and variance is also 25, then coefficient of variation is
Question # 15
The Area of trapezoid is equal to:
Question # 16
A set of numerical values assigned to a sample space is called.
Question # 17
The probability of drawing a king of spade from a pack of 52 cards 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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E Eman Asif 09 - Aug - 2021 01 Min 26 Sec 17/17 -
W Waseem 13 - May - 2022 02 Min 24 Sec 17/17 -
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N Noor Fatima 3207 30 - May - 2022 07 Min 52 Sec 17/17 -
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I Iram Salem 11 - Jan - 2022 08 Min 27 Sec 11/17
ICS Part 1 Statistics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Why are the outcomes of a coin tossing mutually exclusive. |
A. The outcome of any toss is not affected by teh outcome of those preceding it.
B. Both a head and a tail cannot turn up on any one toss
C. The probability of getting a head and the probability of getting a tail is the same.
D. All of these
|
| 2 | The probability of drawing two acea from apack of 52 cards with replacement is. |
A. 1/169
B. 1/10
C. 1/4
D. 1/256
|
| 3 | A probability function is _________ function. |
A. Mathematical
B. Mathematical expectation
C. Converges
D. None of these
|
| 4 | For discrete random variable 'X' the expectation of X I-e E(x) is equal to: |
A. Σp(x)
B. Σxp(x)
C. Σx2p(x)
D. One
|
| 5 | F(y1) ≤ F(y2) if |
A. y1= y2
B. Y1>y2
C. y1≤y2
D. y≥1/2
|
| 6 | When three coins are tossed simulatneously, P(3 heads) is. |
A. 3/8
B. 1/2
C. 1/8
D. 1/4
|
| 7 | Variance σ2 is equal to E(y2) - -------------------- |
A. E(y)
B. [E(y)]2
C. E(y)2
D. E2 (y)
|
| 8 | If x and y are independent random variables, E(xy) |
A. E(XY)
B. xE(y)
C. E(XY)
D. E(X) . E(Y)
|
| 9 | The probability of an event connot be. |
A. = 0
B. > 0
C. =1
D. < 0
|
| 10 | Is the tossing of two perfect coins the probability at least one head occur is. |
A. 1/4
B. 1
C. 1/2
D. 3/4
|
Test Questions
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