First Year ICS Statistics Chapter 8 Online MCQ Test (Probability Distributions)

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

ICS Part 1 Statistics Chapter 8 Test

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MCQ's Test For Chapter 8 "Statistics Ics Part 1 Chapter 8 Online Test"

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Statistics Ics Part 1 Chapter 8 Online Test

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Question # 1

The probability of success changes from trial to trial, is the property of:

Question # 2

If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:

Question # 3

When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:

Question # 4

If X and Y are independent random variables , the E (XY) is equal to.

Question # 5

If X and Y are random varaibes, than E ( X - Y) is equal to.

Question # 6

Mean, Median and mode of binomial distribution can be equal if

Question # 7

Binomial distribution is positively skewed

Question # 8

The probabilyt that a continous random varaibe 'x ' takes on specific value of x is.

Question # 9

Variance of binomial distribution is

Question # 10

The expected value of a discrete random variable is.

Question # 11

Random number can be generated manully by

Question # 12

The hypergeometric distribution has -------------- parameters

Question # 13

If x is a continuous random vriable, then the function f (x) is.

Question # 14

A copntinuous probability distribution may be represented by.

Question # 15

Which of the following is true for binomial distribution

Question # 16

Random numbers are generated from the single digit numbers.

Question # 17

if X and Y are independent random varaibesl the S.D. (X-Y) is equal to

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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 When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:
A. Binomial
B. Hypergeometric
C. Both Binomial & hypergeometric
D. None of these
2 In hypergeometric distribution, the successive trials are.
A. Dependent
B. Independent
C. Both (A) & (B)
D. None of these
3 N-K is classified as
A. Success
B. Failures
C. Parameters
D. Range
4 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
5 The hypergeometric distribution has -------------- parameters
A. One
B. Two
C. Three
D. Four
6 Which of the following distribution(s) has 3 parameters.
A. Binomial distribution
B. Hypergeometric distribution
C. Both of the above 
D. None of these
7 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}
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 If C is a non -random variabe than E (C) is.
A. c
B. 0
C. 1
D. x
10 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

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