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Online Tests
Statistics Ics Part 1 Chapter 7 Online Test MCQs With Answers
Question # 1
If a is a constant then E(a) is equal to
Choose an answer
a
Square of a
Zero
2a
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Question # 2
The probability of an event connot be.
Choose an answer
= 0
> 0
=1
< 0
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Question # 3
The simplest form of the continuous distribution is the.
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Skewed distribution
Kurtic distribution
Binomial distribution
Uniform distribution
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Question # 4
F(y
1
) ≤ F(y
2
) if
Choose an answer
y
1
= y
2
Y
1
>y
2
y
1
≤y
2
y≥1/2
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Question # 5
The probability of a continuous random variable at x = a is ---------------
Choose an answer
One
Zero
Between 0 and 1
More than one
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Question # 6
If one event is unaffected by the outcome of another event, the two events are said to be
Choose an answer
Dependent
Independent
Mutually exclusive
Both b and c
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Question # 7
Var (3x+2)
Choose an answer
3Var(x) + 2
9Var(x) +2
Var (x) + 0
3Var (X)
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Question # 8
a measure of the chance that an uncertain event will occur.
Choose an answer
An experiment
An event
A probability
A trail
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Question # 9
The simple probability of occurrence of an event in called the.
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Joint probability
Conditional probability
Marginal probability
Subjective probability
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Question # 10
E(y-
μ
) is equal to
Choose an answer
E(y)
μ
zero
y-
μ
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Question # 11
The probability of continuous random variable at x = a is__________.
Choose an answer
One
Zero
Between
More then one
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Question # 12
Which of the following cannot be probability of an event.
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0
1
0.32
1.00
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Question # 13
The Area of trapezoid is equal to:
Choose an answer
sum of paralled sides x base
sum of paralled sides x base/2
2 x base x sum of paralled side
Sum of paralled sides x base/4
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Question # 14
E(x - μ) is equal to:
Choose an answer
E(x)
zero
μ
X - μ
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Question # 15
The probability of getting one red ball from a bag constaining 4 red, 3 white and 3 black balls is.
Choose an answer
3/10
1/5
2/5
1/2
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Question # 16
When two dice are rolled, the maximum totla on the two faces of dice will be.
Choose an answer
2
6
12
36
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Question # 17
Random variable is also called ___________.
Choose an answer
Chance stochasitc
Coverges
Random
None of these
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Question # 18
E(Y2) -[E(y)]2 is the formula, and to compute.
Choose an answer
Variance of the random variable
Mean of the random variable
Both A and B
None of these
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