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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
If x and y are independent random variables, then E(xy)
Question # 3
The probability of drawing two acea from apack of 52 cards with replacement is.
Question # 4
A set of numerical values assigned to a sample space is called.
Question # 5
The probability of continuous random variable at x = a is__________.
Question # 6
Hourly temperature recorded by weather brave is the example of:
Question # 7
When two dice are rolled, the maximum totla on the two faces of dice will be.
Question # 8
The properties of discrete probability distribution are:
Question # 9
The range of probability is between
Question # 10
E(x) = Σxf(x) if it ________ absolutely.
Question # 11
Which one is not an example of random experiments.
Question # 12
When two dice are rolled, the numebr of possible sample points is.
Question # 13
E(y-μ) is equal to
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 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 # 16
The Area of trapezoid is equal to:
Question # 17
If a is a constant then E(a) 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 | The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is. |
A. 4/25
B. 1/25
C. 9/100
D. 2/25
|
| 2 |
|
A. y1 = y2
B. Y1 > y2
D. None of these
|
| 3 | If y =-7x then E(y) = ............... |
A. E(x)
B. -7X
C. -7E(X)
D. Zero
|
| 4 | The Area of trapezoid is equal to: |
A. sum of paralled sides x base
B. sum of paralled sides x base/2
C. 2 x base x sum of paralled side
D. Sum of paralled sides x base/4
|
| 5 | What is the probability that a value chosen at random from a particular population is larger than the median of the popultion. |
A. 0.25
B. 0.5
C. 1.0
D. 0.67
|
| 6 | The sum of probabilities of events of a sample space is always. |
A. Equal
B. Discrete
C. Continuous
D. Always greater then oen
|
| 7 | If x and y are independent random variables, E(xy) |
A. E(XY)
B. xE(y)
C. E(XY)
D. E(X) . E(Y)
|
| 8 | When two coins are tossed simultaneously, P (one head ) is. |
A. 1/2
B. 1/4
C. 3/4
D. 1.0
|
| 9 | The simple probability of occurrence of an event in called the. |
A. Joint probability
B. Conditional probability
C. Marginal probability
D. Subjective probability
|
| 10 | Which of the following is suitable for discrete probability distribution. |
A. Frequency polygon
B. Probability
C. Ogive
D. Histogram
|
Test Questions