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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
In binomial distribution, the random variable has a range:
Question # 2
N-K is classified as
Question # 3
The binomial distribution deal with:
Question # 4
If X and Y are random varaibes, than E ( X - Y) is equal to.
Question # 5
If (E(X) = E than find arithmetic means will be.
Question # 6
The binomial distribution has the following parameters.
Question # 7
Which of the following is true for binomial distribution
Question # 8
Probility density function is the probebilyt function of.............. random variable.
Question # 9
Mean, Median and mode of binomial distribution can be equal if
Question # 10
Its value cannot be exactly examined.
Question # 11
The mean of binomial distribution is always:
Question # 12
the discrete probability distributio may be represented by.
Question # 13
In a discriete probability distribution the sum of all the probabilities is alwyas
Question # 14
A fair die is rolled three times. The probability of getting three "aces" is
Question # 15
In binomial experiment successive trials are:
Question # 16
The probability of success ------------ from one trial to another when trials are dependent
Question # 17
The expected value of a discrete random variable 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 |
For a binomial probability distribution: n = 10 & the probability of failure (q =0.6), then mean of the distribution is .
|
A. 0.6
B. 6.0
C. 10
D. 4
|
| 2 | Probility density function is the probebilyt function of.............. random variable. |
A. Discrete
B. Qualitative
C. Continuous
D. None
|
| 3 | Its value cannot be exactly examined. |
A. Ranodm variable
B. Fixed varaible
C. Mathematical variable
D. Variable
|
| 4 | 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
|
| 5 | In a discriete probability distribution the sum of all the probabilities is alwyas |
A. 0
B. 1
C. -1
D. 8
|
| 6 | If x is discrete random variable, then the function f (x) is. |
A. A probability function
B. A density function
C. A probability density function
D. A distribution function
|
| 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 | The mean of binomial distribution is always: |
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
|
| 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 | In binomial distribution, the random variable has a range: |
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
|
Test Questions