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

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

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

Question # 4

The number of possible outcomes in Bernoulli trial is

Question # 5

The probability of even/odd number when a fair die rolled is:

Question # 6

Which of the following case is true for hypergeometric distribution.

Question # 7

Probility density function is the probebilyt function of.............. random variable.

Question # 8

Variance of binomial distribution is

Question # 9

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

Question # 10

Binomial distribution is positively skewed

Question # 11

In hypergeometric distribution, the successive trials are.

Question # 12

the discrete probability distributio may be represented by.

Question # 13

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

Question # 14

The binomial distribution is symmetrical if

Question # 15

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

Question # 16

N-K is classified as

Question # 17

If X and Y are random varaibes, than E ( 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 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 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}
3 If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
A. 18
B. 30
C. 10
D. None of these
4 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)
5 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
6 Probility density function is the probebilyt function of.............. random variable.
A. Discrete
B. Qualitative
C. Continuous
D. None
7 Binomial distribution is used when n is
A. Large
B. Small
C. Negative
D. Zero
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 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
10 Mean of hypergeometric distribution is
A. np
C. np
D. Nnk

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