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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

the discrete probability distributio may be represented by.

Question # 7

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

Question # 8

The binomial distribution is symmetrical if

Question # 9

If x is discrete random variable, then the function f (x) is.

Question # 10

Which of the following is true for binomial distribution

Question # 11

In a discriete probability distribution the sum of all the probabilities is alwyas

Question # 12

Random number can be generated manully by

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The probability of even/odd number when a fair die rolled 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 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
2 If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
A. 18
B. 30
C. 10
D. None of these
3 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
4 Binomial distribution is positively skewed
A. P < 1/2
B. P > 1/2
C. P = 1/2
D. P < q < 1/2
5 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
6 N-K is classified as
A. Success
B. Failures
C. Parameters
D. Range
7 If x is discrete random variable, then the function f (x) is.
A. A probability function
B. A density function
C. A probability density function
D. A distribution function
8 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
9 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
10 The number of possible outcomes in Bernoulli trial is
A. Three
B. Four
C. Two
D. One

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