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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 sum of probabilities of events of a sample space is always.
Question # 2
Coefficient of variation (C.V) is given below
Question # 3
The probability of drawing two acea from apack of 52 cards with replacement is.
Question # 4
Variance σ2 is equal to E(y2) - --------------------
Question # 5
Is the tossing of two perfect coins the probability at least one head occur is.
Question # 6
When two dice are rolled, the numebr of possible sample points is.
Question # 7
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.
Question # 8
For two independent random variables, Var(x) = 14 and Var(Y ) = 5, then var (X-y) is equal to.
Question # 9
The simple probability of occurrence of an event in called the.
Question # 10
When two dice are rolled, the maximum totla on the two faces of dice will be.
Question # 11
If x and y are independent random variables, then E(xy)
Question # 12
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.
Question # 13
The probability of drawan any one spade card is.
Question # 14
The coins are tossed, the porbability of two tails is euql to.
Question # 15
A probability function is _________ function.
Question # 16
The range of probability is between
Question # 17
the collection of all possible outcome of a random experimnet is called.
ICS Part 1 Statistics Chapter 7 MCQs Test
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| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which one is not an example of random experiments. |
A. A coin is tossed and the outcome is either a head or a tail
B. A six sided aid is rolled
C. All medical insurance clams received by a company in a given year.
D. Some one of person will be admitted to a hospital emergency room during any hour.
|
| 2 | Var (KY) = ...................... |
A. KY
B. K2 Var(Y)
C. K2Var (Y)
D. None of these
|
| 3 | E(Y2) -[E(y)]2 is the formula, and to compute. |
A. Variance of the random variable
B. Mean of the random variable
C. Both A and B
D. None of these
|
| 4 | 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
|
| 5 | The coins are tossed, the porbability of two tails is euql to. |
A. 1/2
B. 1/4
C. 3/4
D. 1
|
| 6 | The range of probability is between |
A. 0 to 2
B. -1 to +1
C. 0 to 8
D. 0 to 1
|
| 7 | The probability of drawan any one spade card is. |
A. 1/32
B. 1/18
C. 1/4
D. 4/13
|
| 8 | For a constant K ,the variance of K. |
A. Zero
B. A-2
C. K
D. None of these
|
| 9 | 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
|
| 10 | Random variable is also called ___________. |
A. Chance stochasitc
B. Coverges
C. Random
D. None of these
|
Test Questions
