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

00:00
Question # 1

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

Question # 2

the discrete probability distributio may be represented by.

Question # 3

The binomial distribution is symmetrical if

Question # 4

Variance of binomial distribution is

Question # 5

Hypergeometric distribution is a

Question # 6

The expected value of a discrete random variable is.

Question # 7

If C is a non -random variabe than E (C) is.

Question # 8

Which of the following is true for binomial distribution

Question # 9

Binomial distribution is positively skewed

Question # 10

Which of the following distribution(s) has 3 parameters.

Question # 11

N-K is classified as

Question # 12

For a binomial probability distribution:
n = 10 & the probability of failure (q =0.6), then mean of the distribution is .

Question # 13

A fair die is rolled three times. The probability of getting three "aces" is

Question # 14

An expected value of a random variable is equal to its.

Question # 15

The mean of binomial distribution is always:

Question # 16

Mean of hypergeometric distribution is

Question # 17

The binomial distribution is symmetrical when:

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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 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
2 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
3 Random numbers can be generated
A. Manually
B. Mechanically
C. Botha a and b
D. None of these
4 If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value.
A. 0.1.2.3
B. 1,3,3,1
C. 1,2,3
D. None of these
5 Which of the following distribution(s) has 3 parameters.
A. Binomial distribution
B. Hypergeometric distribution
C. Both of the above 
D. None of these
6 The probabilyt density function p (x) cannot exced.
A. zero
B. One
C. Mean
D. Infinity
7 the discrete probability distributio may be represented by.
A. A table
B. A graph
C. A mathematical equation
D. All of these
8 The binomial distribution has the following parameters.
A. p & q
B. n & q 
C. n, p & q
D. None of 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 The probabilyt that a continous random varaibe 'x ' takes on specific value of x is.
A. Greater thaan zero
B. Less than zero
C. Equal to Zero
D. 0 to 1

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