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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 we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:
Question # 3
When x denotes the number of success in binomial experiment it is called.
Question # 4
When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:
Question # 5
The binomial distribution is symmetrical when:
Question # 6
The repeated trials of binomial experiments are
Question # 7
Random numbers are generated from the single digit numbers.
Question # 8
The parameters of the binomial distributions are
Question # 9
the discrete probability distributio may be represented by.
Question # 10
In a discriete probability distribution the sum of all the probabilities is alwyas
Question # 11
The probability of success changes from trial to trial, is the property of:
Question # 12
When X denotes the number of success in binomial experiment, it is called.
Question # 13
The probability of success ------------ from one trial to another when trials are dependent
Question # 14
Mean of hypergeometric distribution is
Question # 15
Which of the following distribution(s) has 3 parameters.
Question # 16
An expected value of a random variable is equal to its.
Question # 17
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 .
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 | In hypergeometric distribution, the successive trials are. |
A. Dependent
B. Independent
C. Both (A) & (B)
D. None of these
|
| 2 | If (E(X) = E than find arithmetic means will be. |
A. 1
B. 4
C. 0
D. 8
|
| 3 | Its value cannot be exactly examined. |
A. Ranodm variable
B. Fixed varaible
C. Mathematical variable
D. Variable
|
| 4 | In binomial experiment successive trials are: |
A. Dependent
B. Independent
C. May be independent or dependent
D. None of these
|
| 5 | 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)
|
| 6 | In a discriete probability distribution the sum of all the probabilities is alwyas |
A. 0
B. 1
C. -1
D. 8
|
| 7 | 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)
|
| 8 | If X and Y are random varaibes, than E ( X - Y) is equal to. |
A. E(X) + E (Y)
B. E(X) - E(Y)
C. X - E (Y)
D. E(X) - Y
|
| 9 | 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)
|
| 10 | Binomial distribution is used when n is |
A. Large
B. Small
C. Negative
D. Zero
|
Test Questions