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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
Var (3x + 2)
Question # 2
F (+∞) is always equal to:
Question # 3
Probability distribution of a continuous random variable can be presented by
Question # 4
The probability of drawing two acea from apack of 52 cards with replacement is.
Question # 5
F(-∞) is always equal to
Question # 6
A probability function is _________ function.
Question # 7
The probability of an event connot be.
Question # 8
E(x) = Σxf(x) if it ________ absolutely.
Question # 9
A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is.
Question # 10
E(X ± Y) =..............
Question # 11
If a is a constant then E(a) is equal to
Question # 12
The coins are tossed, the porbability of two tails is euql to.
Question # 13
The properties of discrete probability distribution are:
Question # 14
a measure of the chance that an uncertain event will occur.
Question # 15
Which one is not an example of random experiments.
Question # 16
Which of the following cannot be probability of an event.
Question # 17
When a pair of dice is rolled, the sum of upperemost dots vary from.
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 properties of discrete probability distribution are: |
A. Σp (x) = 1 and Σx. (x) = 1
B. ΣP (x)= 1 and Σx. P
C. ΣP(x) = 1 and 0 < P(x) ≤ 1
D. All of these above
|
| 2 | 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
|
| 3 | 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
|
| 4 | A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is. |
A. 1/5
B. 3/10
C. 1/2
D. 2/5
|
| 5 |
|
A. y1 = y2
B. Y1 > y2
D. None of these
|
| 6 | Tossing two dice possble sampes are. |
A. 2
B. 6
C. 12
D. 36
|
| 7 | The sum of probabilities of events of a sample space is always. |
A. Equal
B. Discrete
C. Continuous
D. Always greater then oen
|
| 8 | For a constant k, the variance of k is |
A. zero
B. k2
C. k
D. none of these
|
| 9 | A random variable is also called. |
A. Chance variable
B. Stochastic variable
C. Discrete variable
D. Both A and B
|
| 10 | 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. |
A. 0.1
B. 0.4
C. 0.6
D. 1.0
|
Test Questions