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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 even/odd number when a fair die rolled is:
Question # 2
The binomial distribution has the following parameters.
Question # 3
When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:
Question # 4
the discrete probability distributio may be represented by.
Question # 5
Probility density function is the probebilyt function of.............. random variable.
Question # 6
If C is a non -random variabe than E (C) is.
Question # 7
Each trial of binomial experiment results in an outcome which can be classified in two categories
Question # 8
If x is discrete random variable, then the function f (x) is.
Question # 9
Hypergeometric distribution is a
Question # 10
Mean, Median and mode of binomial distribution can be equal if
Question # 11
Which of the following case is true for hypergeometric distribution.
Question # 12
A fair die is rolled three times. The probability of getting three "aces" is
Question # 13
A fair coin is tossed four times the probability of getting four heads is
Question # 14
In binomial distribution, the random variable has a range:
Question # 15
If x is a continuous random vriable, then the function f (x) is.
Question # 16
Which of the following distribution(s) has 3 parameters.
Question # 17
The binomial distribution is symmetrical when:
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 | Mean of hypergeometric distribution is |
A. np
C. np
D. Nnk
|
| 2 | If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be: |
A. Binomial
B. Hypergeometric
C. Both binomial & hypergeometric
D. None of these
|
| 3 | Binomial distribution is used when n is |
A. Large
B. Small
C. Negative
D. Zero
|
| 4 | If X and Y are independent random variables , the E (XY) is equal to. |
A. E(XY)
B. E(X) E(Y)
C. XE(Y)
D. YE(X)
|
| 5 | An expected value of a random variable is equal to its. |
A. Variance
B. B.D.
C. Mean
D. Co - Variance
|
| 6 | 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
|
| 7 | In binomial experiment successive trials are: |
A. Dependent
B. Independent
C. May be independent or dependent
D. None of these
|
| 8 | 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
|
| 9 | The probability of success ------------ from one trial to another when trials are dependent |
A. Remains constant
B. Is changed
C. One
D. Zero
|
| 10 | When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is: |
A. Binomial
B. Hypergeometric
C. Both Binomial & hypergeometric
D. None of these
|
Test Questions