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This online test contains MCQs about following topics:
Introduction to probability distributions . Probility mass function . Probabilty density function . Simple univariate discrete and continuous distributions . Drawing of probability mass function and probability density function . Expectation and variance of the simple discrete random variable . Distribution function
MCQ's Test For Chapter 8 "Statistics Ics Part 1 Chapter 8 Online Test"
Try The MCQ's Test For Chapter 8 "Statistics Ics Part 1 Chapter 8 Online Test"
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Total Questions17
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Time Allowed20
Statistics Ics Part 1 Chapter 8 Online Test
00:00
Question # 1
If X and Y are random varaibes, than E ( X - Y) is equal to.
Question # 2
If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value.
Question # 3
A copntinuous probability distribution may be represented by.
Question # 4
When X denotes the number of success in binomial experiment, it is called.
Question # 5
Binomial distribution is positively skewed
Question # 6
Which of the following distribution(s) has 3 parameters.
Question # 7
Mean of hypergeometric distribution is
Question # 8
The number of possible outcomes in Bernoulli trial is
Question # 9
Its value cannot be exactly examined.
Question # 10
When x denotes the number of success in binomial experiment it is called.
Question # 11
The hypergeometric distribution has -------------- parameters
Question # 12
For a binomial probability distribution:
For a binomial probability distribution:n = 10 & the probability of failure (q =0.6), then mean of the distribution is .
Question # 13
Probility density function is the probebilyt function of.............. random variable.
Question # 14
In a discriete probability distribution the sum of all the probabilities is alwyas
Question # 15
Which of the following is true for binomial distribution
Question # 16
The parameters of the binomial distributions are
Question # 17
A fair coin is tossed four times the probability of getting four heads is
ICS Part 1 Statistics Chapter 8 MCQs Test
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ICS Part 1 Statistics Chapter 8 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The probabilyt that a continous random varaibe 'x ' takes on specific value of x is. |
A. Greater thaan zero
B. Less than zero
C. Equal to Zero
D. 0 to 1
|
| 2 | Variance of binomial distribution is |
A. np
B. √npq
C. npq
D. nq
|
| 3 | The probability of even/odd number when a fair die rolled is: |
A. 1/6
B. 2/6
C. 1/36
D. 3/6
|
| 4 | The binomial distribution is symmetrical when: |
A. P > q
B. p = 1/2
C. Probability of success & probability of failure are equal
D. Both (B) and (C)
|
| 5 | When x denotes the number of success in binomial experiment it is called. |
A. Random variable
B. Binomial random variable
C. Continuous random variable
D. Both (B) and (C) but not (A)
|
| 6 | Its value cannot be exactly examined. |
A. Ranodm variable
B. Fixed varaible
C. Mathematical variable
D. Variable
|
| 7 |
For a binomial probability distribution: n = 10 & the probability of failure (q =0.6), then mean of the distribution is .
|
A. 0.6
B. 6.0
C. 10
D. 4
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| 8 | A fair coin is tossed four times the probability of getting four heads is |
A. 1/4
B. 1/2
C. 4/6
D. 1
|
| 9 | Which of the following distribution(s) has 3 parameters. |
A. Binomial distribution
B. Hypergeometric distribution
C. Both of the above
D. None of these
|
| 10 | Mean of hypergeometric distribution is |
A. np
C. np
D. Nnk
|
Test Questions