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

Binomial distribution is positively skewed

Question # 2

When x denotes the number of success in binomial experiment it is called.

Question # 3

In binomial distribution, the random variable  has a range:

Question # 4

A fair coin is tossed four times the probability of getting four heads is

Question # 5

In binomial experiment successive trials are:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The expected value of a discrete random variable is.

Question # 10

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

Question # 11

The binomial distribution has the following parameters.

Question # 12

If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value.

Question # 13

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

Question # 14

When X denotes the number of success in binomial experiment, it is called.

Question # 15

The mean of binomial distribution is always:

Question # 16

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

Question # 17

The parameters of the binomial distributions are

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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 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
2 The number of possible outcomes in Bernoulli trial is
A. Three
B. Four
C. Two
D. One
3 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
4 Its value cannot be exactly examined.
A. Ranodm variable
B. Fixed varaible
C. Mathematical variable
D. Variable
5 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
6 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)
7 The hypergeometric distribution has -------------- parameters
A. One
B. Two
C. Three
D. Four
8 the discrete probability distributio may be represented by.
A. A table
B. A graph
C. A mathematical equation
D. All of these
9 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)
10 If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
A. 18
B. 30
C. 10
D. None of these

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