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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
The probability of success ------------ from one trial to another when trials are dependent
Question # 2
An expected value of a random variable is equal to its.
Question # 3
The repeated trials of binomial experiments are
Question # 4
If x is discrete random variable, then the function f (x) is.
Question # 5
Which of the following is true for binomial distribution
Question # 6
The binomial distribution is symmetrical when:
Question # 7
Each trial of binomial experiment results in an outcome which can be classified in two categories
Question # 8
A copntinuous probability distribution may be represented by.
Question # 9
If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
Question # 10
The binomial distribution has the following parameters.
Question # 11
A fair die is rolled three times. The probability of getting three "aces" is
Question # 12
Its value cannot be exactly examined.
Question # 13
Random numbers can be generated mechanically by
Question # 14
Random numbers are generated from the single digit numbers.
Question # 15
The hypergeometric distribution has -------------- parameters
Question # 16
The probability of even/odd number when a fair die rolled is:
Question # 17
If X and Y are random varaibes, than E ( X - Y) is equal to.
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 | 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
|
| 2 | Which of the following case is true for hypergeometric distribution. |
A. Probability remains constant for all trials
B. Probability changes
C. successive trials are dependent
D. Both (B) and (C) but not (A)
|
| 3 | Random numbers are generated from the single digit numbers. |
A. { 1,2,3,............. 10 }
B. { 0, 1,2,.......................... 10}
C. { 0,1,2.............}
D. {0,1,2,............. 9}
|
| 4 | 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
|
| 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 | In binomial experiment successive trials are: |
A. Dependent
B. Independent
C. May be independent or dependent
D. None of 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 | Random numbers can be generated mechanically by |
A. By use of digital computers
B. Probgrammable calculators
C. Ordinary calculators
D. Both a and b
|
| 9 | Mean of hypergeometric distribution is |
A. np
C. np
D. Nnk
|
| 10 | The mean of binomial distribution is always: |
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
|
Test Questions
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