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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
If (E(X) = E than find arithmetic means will be.
Question # 3
If x is a continuous random vriable, then the function f (x) is.
Question # 4
Binomial distribution is used when n is
Question # 5
In a discriete probability distribution the sum of all the probabilities is alwyas
Question # 6
The expected value of a discrete random variable is.
Question # 7
Probility density function is the probebilyt function of.............. random variable.
Question # 8
The probability of success changes from trial to trial, is the property of:
Question # 9
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 .
Question # 10
The parameters of the binomial distributions are
Question # 11
if X and Y are independent random varaibesl the S.D. (X-Y) is equal to
Question # 12
Mean, Median and mode of binomial distribution can be equal if
Question # 13
The repeated trials of binomial experiments are
Question # 14
The binomial distribution is symmetrical if
Question # 15
Which of the following case is true for hypergeometric distribution.
Question # 16
Random numbers can be generated
Question # 17
In binomial experiment successive trials are:
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 | 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 | A fair die is rolled three times. The probability of getting three "aces" is |
A. 1/3
B. 1/6
|
| 4 | Each trial of binomial experiment results in an outcome which can be classified in two categories |
A. Head or tail
B. Ace or six
C. Success and failure
D. None of these
|
| 5 | If C is a non -random variabe than E (C) is. |
A. c
B. 0
C. 1
D. x
|
| 6 | 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)
|
| 7 | Variance of binomial distribution is |
A. np
B. √npq
C. npq
D. nq
|
| 8 | Random numbers can be generated mechanically by |
A. By use of digital computers
B. Probgrammable calculators
C. Ordinary calculators
D. Both a and b
|
| 9 | Its value cannot be exactly examined. |
A. Ranodm variable
B. Fixed varaible
C. Mathematical variable
D. Variable
|
| 10 | The binomial distribution has the following parameters. |
A. p & q
B. n & q
C. n, p & q
D. None of these
|
Test Questions