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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
A fair die is rolled three times. The probability of getting three "aces" is
Question # 2
Random numbers can be generated
Question # 3
Variance of binomial distribution is
Question # 4
The binomial distribution is symmetrical when:
Question # 5
Which of the following distribution(s) has 3 parameters.
Question # 6
The probability of success changes from trial to trial, is the property of:
Question # 7
In binomial experiment successive trials are:
Question # 8
If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:
Question # 9
Probility density function is the probebilyt function of.............. random variable.
Question # 10
When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:
Question # 11
The binomial distribution has the following parameters.
Question # 12
The parameters of the binomial distributions are
Question # 13
In a discriete probability distribution the sum of all the probabilities is alwyas
Question # 14
Random numbers are generated from the single digit numbers.
Question # 15
A fair coin is tossed four times the probability of getting four heads is
Question # 16
When x denotes the number of success in binomial experiment it is called.
Question # 17
The hypergeometric distribution has -------------- parameters
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 expected value of a discrete random variable is. |
A. Always an integer
B. Always one of the values that the random variable can assume
C. An interal of values
D. None of these
|
| 2 | 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)
|
| 3 | The hypergeometric distribution has -------------- parameters |
A. One
B. Two
C. Three
D. Four
|
| 4 | 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
|
| 5 | Variance of binomial distribution is |
A. np
B. √npq
C. npq
D. nq
|
| 6 | The mean of binomial distribution is always: |
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
|
| 7 | The probability of success changes from trial to trial, is the property of: |
A. Binomial experiment
B. Hypergeometric experiment
C. Both A and B
D. None of these
|
| 8 | If C is a non -random variabe than E (C) is. |
A. c
B. 0
C. 1
D. x
|
| 9 | if X and Y are independent random varaibesl the S.D. (X-Y) is equal to |
A. Var (X) - var (Y)
B. Var (X) + Var (Y)
C. E(X-Y)2
D. E(X + Y)2
|
| 10 | A copntinuous probability distribution may be represented by. |
A. A table
B. a graph
C. A mathmethical equation
D. Botha b and c
|
Test Questions
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