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 is symmetrical when:

Question # 2

Binomial distribution is used when n is

Question # 3

Its value cannot be exactly examined.

Question # 4

the discrete probability distributio may be represented by.

Question # 5

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

Question # 6

Which of the following is true for binomial distribution

Question # 7

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

Question # 8

Binomial distribution is positively skewed

Question # 9

The number of possible outcomes in Bernoulli trial is

Question # 10

If X and Y are random varaibes, than E ( X - Y) is equal to.

Question # 11

The expected value of a discrete random variable is.

Question # 12

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

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

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

Question # 15

The binomial distribution is symmetrical if

Question # 16

The mean of binomial distribution is always:

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 (E(X) = E than find arithmetic means will be.
A. 1
B. 4
C. 0
D. 8
2 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)
3 In binomial experiment successive trials are:
A. Dependent
B. Independent
C. May be independent or dependent
D. None of these
4 The probability of success ------------ from one trial to another when trials are dependent
A. Remains constant
B. Is changed
C. One
D. Zero
5 Mean, Median and mode of binomial distribution can be equal if
B. P < q < 1/2
C. P > q < 1/2
D. P ≠ q
6 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
7 In binomial distribution, the random variable  has a range:
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
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 The mean of binomial distribution is always:
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
10 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

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