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

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

Question # 2

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

Question # 3

A copntinuous probability distribution may be represented by.

Question # 4

The parameters of the binomial distributions are

Question # 5

If (E(X) = E than find arithmetic means will be.

Question # 6

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

Question # 7

Variance of binomial distribution is

Question # 8

Random numbers are generated from the single digit numbers.

Question # 9

Random numbers can be generated

Question # 10

the discrete probability distributio may be represented by.

Question # 11

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

Question # 12

Which of the following case is true for hypergeometric distribution.

Question # 13

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

Question # 14

The binomial distribution is symmetrical if

Question # 15

Mean of hypergeometric distribution is

Question # 16

Its value cannot be exactly examined.

Question # 17

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

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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 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 The binomial distribution has the following parameters.
A. p & q
B. n & q 
C. n, p & q
D. None of these
3 The probability of success changes from trial to trial, is the property of:
A. Binomial experiment
B. Hypergeometric experiment
C. Both A and B
D. None of these
4 A fair die is rolled three times. The probability of getting three "aces" is
A. 1/3
B. 1/6
5 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
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
7 If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
A. 18
B. 30
C. 10
D. None of these
8 If x is a continuous random vriable, then the function f (x) is.
A. A probability function
B. A probability denaity function
C. A density function
D. Both b and c
9 If X and Y are independent random variables , the E (XY) is equal to.
A. E(XY)
B. E(X) E(Y)
C. XE(Y)
D. YE(X)
10 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}

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