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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 changes from trial to trial, is the property of:
Question # 2
if X and Y are independent random varaibesl the S.D. (X-Y) is equal to
Question # 3
Binomial distribution is positively skewed
Question # 4
Mean, Median and mode of binomial distribution can be equal if
Question # 5
If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
Question # 6
If X and Y are independent random variables , the E (XY) is equal to.
Question # 7
If X and Y are random varaibes, than E ( X - Y) is equal to.
Question # 8
The binomial distribution is symmetrical when:
Question # 9
Its value cannot be exactly examined.
Question # 10
If C is a non -random variabe than E (C) is.
Question # 11
Random numbers can be generated mechanically by
Question # 12
When X denotes the number of success in binomial experiment, it is called.
Question # 13
The number of possible outcomes in Bernoulli trial is
Question # 14
If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:
Question # 15
The hypergeometric distribution has -------------- parameters
Question # 16
The binomial distribution is symmetrical if
Question # 17
Each trial of binomial experiment results in an outcome which can be classified in two categories
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 | Random number can be generated manully by |
A. Dawing cards from numbered cards
B. Roitaing or spinning numbered wheels
C. Use of random numbers table
D. All of these
|
| 2 | 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
|
| 3 | The mean of binomial distribution is always: |
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
|
| 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 | An expected value of a random variable is equal to its. |
A. Variance
B. B.D.
C. Mean
D. Co - Variance
|
| 6 | 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
|
| 7 | Mean of hypergeometric distribution is |
A. np
C. np
D. Nnk
|
| 8 | If x is a continuous random vriable, then the function f (x) is. |
A. A probability function
B. A probability denaity function
C. A density function
D. Both b and c
|
| 9 | Which of the following is true for binomial distribution |
A. Mean > variance
B. Mean < variance
C. Mean = variance
D. Mean + standard deviation
|
| 10 | Binomial distribution is used when n is |
A. Large
B. Small
C. Negative
D. Zero
|
Test Questions