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 binomial distribution deal with:

Question # 2

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

Question # 3

Its value cannot be exactly examined.

Question # 4

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

Question # 5

the discrete probability distributio may be represented by.

Question # 6

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

Question # 7

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

Question # 8

Which of the following case is true for hypergeometric distribution.

Question # 9

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

Question # 10

Binomial distribution is positively skewed

Question # 11

The mean of binomial distribution is always:

Question # 12

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

Question # 13

The probabilyt density function p (x) cannot exced.

Question # 14

Each trial of binomial experiment results in an outcome which can be classified in two categories

Question # 15

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

Question # 16

Binomial distribution is used when n is

Question # 17

If C is a non -random variabe than E (C) 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 probabilyt density function p (x) cannot exced.
A. zero
B. One
C. Mean
D. Infinity
2 If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:
A. Binomial
B. Hypergeometric
C. Both binomial &  hypergeometric 
D. None of these
3 In binomial distribution, the random variable  has a range:
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
4 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
5 An expected value of a random variable is equal to its.
A. Variance
B. B.D.
C. Mean
D. Co - Variance
6 Which of the following is true for binomial distribution
A. Mean > variance
B. Mean < variance
C. Mean = variance
D. Mean + standard deviation
7 If (E(X) = E than find arithmetic means will be.
A. 1
B. 4
C. 0
D. 8
8 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
9 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
10 The probability of success ------------ from one trial to another when trials are dependent
A. Remains constant
B. Is changed
C. One
D. Zero

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