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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
N-K is classified as
Question # 3
If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value.
Question # 4
Which of the following is true for binomial distribution
Question # 5
In hypergeometric distribution, the successive trials are.
Question # 6
Random numbers can be generated mechanically by
Question # 7
If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
Question # 8
The expected value of a discrete random variable is.
Question # 9
Hypergeometric distribution is a
Question # 10
In a discriete probability distribution the sum of all the probabilities is alwyas
Question # 11
A fair die is rolled three times. The probability of getting three "aces" is
Question # 12
Each trial of binomial experiment results in an outcome which can be classified in two categories
Question # 13
Random numbers are generated from the single digit numbers.
Question # 14
If x is a continuous random vriable, then the function f (x) is.
Question # 15
The probabilyt that a continous random varaibe 'x ' takes on specific value of x is.
Question # 16
the discrete probability distributio may be represented by.
Question # 17
If X and Y are independent random variables , the E (XY) 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 | Binomial distribution is positively skewed |
A. P < 1/2
B. P > 1/2
C. P = 1/2
D. P < q < 1/2
|
| 2 | 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
|
| 3 | Variance of binomial distribution is |
A. np
B. √npq
C. npq
D. nq
|
| 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 | Random numbers can be generated mechanically by |
A. By use of digital computers
B. Probgrammable calculators
C. Ordinary calculators
D. Both a and b
|
| 6 | 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
|
| 7 | 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)
|
| 8 | The repeated trials of binomial experiments are |
A. Dependent
B. Independent
C. Fixed
D. Variable
|
| 9 | In binomial distribution, the random variable has a range: |
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
|
| 10 | Which of the following is true for binomial distribution |
A. Mean > variance
B. Mean < variance
C. Mean = variance
D. Mean + standard deviation
|
Test Questions