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Online Tests
Statistics Ics Part 1 Chapter 7 Online Test MCQs With Answers
Question # 1
The simplest form of the continuous distribution is the.
Choose an answer
Skewed distribution
Kurtic distribution
Binomial distribution
Uniform distribution
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Question # 2
The probability of getting an odd number when a balanced die is rolled is.
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1/2
1/3
1/4
1/6
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Question # 3
If a is a constant then E(a) is equal to
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a
Square of a
Zero
2a
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Question # 4
The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is.
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4/25
1/25
9/100
2/25
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Question # 5
E(x) = Σxf(x) if it ________ absolutely.
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Equal
Converges
Discrete
None of these
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Question # 6
Var (3x + 2)
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3 Var(X) + 2
3 Var X
9 var (x) + 2
9 var (x)
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Question # 7
E(x - μ) is equal to:
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E(x)
zero
μ
X - μ
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Question # 8
Var (B/aX) =?
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1/aVar(X)
b
2
/a
2
Var(X)
b
2
/a Var(X)
None of these
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Question # 9
Tossing two dice possble sampes are.
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2
6
12
36
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Question # 10
The probability of continuous random variable at x = a is__________.
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One
Zero
Between
More then one
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Question # 11
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.
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0.25
0.51
1
0
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Question # 12
Which one is not an example of random experiments.
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A coin is tossed and the outcome is either a head or a tail
A six sided aid is rolled
All medical insurance clams received by a company in a given year.
Some one of person will be admitted to a hospital emergency room during any hour.
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Question # 13
For discrete random variable 'X' the expectation of X I-e E(x) is equal to:
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Σp(x)
Σxp(x)
Σx
2
p(x)
One
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Question # 14
A random variable is also called.
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Chance variable
Stochastic variable
Discrete variable
Both A and B
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Question # 15
A probability function is _________ function.
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Mathematical
Mathematical expectation
Converges
None of these
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Question # 16
The probability of getting one red ball from a bag constaining 4 red, 3 white and 3 black balls is.
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3/10
1/5
2/5
1/2
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Question # 17
For a constant K ,the variance of K.
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Zero
A
-2
K
None of these
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Question # 18
Events with equal probabilities are called.
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Mutually exclusive events
Exhauative events
Eqauily likely events
Simple events
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