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Online Tests
Statistics Ics Part 1 Chapter 8 Online Test MCQs With Answers
Question # 1
When X denotes the number of success in binomial experiment, it is called.
Choose an answer
Random variable
Binomial random variable
Continuous random variable
Both (B) and (C) but not (A)
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Question # 2
If C is a non -random variabe than E (C) is.
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c
0
1
x
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Question # 3
A copntinuous probability distribution may be represented by.
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A table
a graph
A mathmethical equation
Botha b and c
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Question # 4
The probability of even/odd number when a fair die rolled is:
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1/6
2/6
1/36
3/6
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Question # 5
The binomial distribution has the following parameters.
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p & q
n & q
n, p & q
None of these
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Question # 6
For a binomial probability distribution:
n = 10 & the probability of failure (q =0.6), then mean of the distribution is .
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0.6
6.0
10
4
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Question # 7
If (E(X) = E than find arithmetic means will be.
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1
4
0
8
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Question # 8
Which of the following distribution(s) has 3 parameters.
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Binomial distribution
Hypergeometric distribution
Both of the above
None of these
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Question # 9
An expected value of a random variable is equal to its.
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Variance
B.D.
Mean
Co - Variance
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Question # 10
A fair coin is tossed four times the probability of getting four heads is
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1/4
1/2
4/6
1
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Question # 11
if X and Y are independent random varaibesl the S.D. (X-Y) is equal to
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Var (X) - var (Y)
Var (X) + Var (Y)
E(X-Y)2
E(X + Y)2
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Question # 12
The binomial distribution deal with:
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Discrete variable
Continuous variable
None of these
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Question # 13
Mean, Median and mode of binomial distribution can be equal if
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P < q < 1/2
P > q < 1/2
P
≠
q
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Question # 14
In hypergeometric distribution, the successive trials are.
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Dependent
Independent
Both (A) & (B)
None of these
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Question # 15
In a discriete probability distribution the sum of all the probabilities is alwyas
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0
1
-1
8
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Question # 16
In binomial experiment successive trials are:
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Dependent
Independent
May be independent or dependent
None of these
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Question # 17
The probabilyt that a continous random varaibe 'x ' takes on specific value of x is.
Choose an answer
Greater thaan zero
Less than zero
Equal to Zero
0 to 1
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