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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 probabilyt that a continous random varaibe 'x ' takes on specific value of x is.
Question # 2
The number of possible outcomes in Bernoulli trial is
Question # 3
The binomial distribution is symmetrical if
Question # 4
In binomial experiment successive trials are:
Question # 5
The probabilyt density function p (x) cannot exced.
Question # 6
Random number can be generated manully by
Question # 7
Binomial distribution is positively skewed
Question # 8
If X and Y are independent random variables , the E (XY) is equal to.
Question # 9
Its value cannot be exactly examined.
Question # 10
Each trial of binomial experiment results in an outcome which can be classified in two categories
Question # 11
A fair die is rolled three times. The probability of getting three "aces" is
Question # 12
The parameters of hypergeometric distribution are:
The parameters of hypergeometric distribution are:
Question # 13
the discrete probability distributio may be represented by.
Question # 14
A fair coin is tossed four times the probability of getting four heads is
Question # 15
In hypergeometric distribution, the successive trials are.
Question # 16
Random numbers are generated from the single digit numbers.
Question # 17
If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value.
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 | 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)
|
| 2 | 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
|
| 3 | Random numbers are generated from the single digit numbers. |
A. { 1,2,3,............. 10 }
B. { 0, 1,2,.......................... 10}
C. { 0,1,2.............}
D. {0,1,2,............. 9}
|
| 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 | 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
|
| 6 | A fair coin is tossed four times the probability of getting four heads is |
A. 1/4
B. 1/2
C. 4/6
D. 1
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| 7 | 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)
|
| 8 | Binomial distribution is used when n is |
A. Large
B. Small
C. Negative
D. Zero
|
| 9 | The hypergeometric distribution has -------------- parameters |
A. One
B. Two
C. Three
D. Four
|
| 10 | Random numbers can be generated mechanically by |
A. By use of digital computers
B. Probgrammable calculators
C. Ordinary calculators
D. Both a and b
|
Test Questions