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

Question # 2

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

Question # 3

A copntinuous probability distribution may be represented by.

Question # 4

In binomial distribution, the random variable  has a range:

Question # 5

Hypergeometric distribution is a

Question # 6

If in binomial distribution, μ = 6, p = 3/5, the number of trial are:

Question # 7

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

Question # 8

The binomial distribution has the following parameters.

Question # 9

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

Question # 10

Random numbers are generated from the single digit numbers.

Question # 11

The probabilyt density function p (x) cannot exced.

Question # 12

The expected value of a discrete random variable is.

Question # 13

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

Question # 14

The number of possible outcomes in Bernoulli trial is

Question # 15

When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:

Question # 16

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

Question # 17

If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:

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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 repeated trials of binomial experiments are
A. Dependent
B. Independent
C. Fixed
D. Variable
2 The mean of binomial distribution is always:
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these
3 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
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 When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:
A. Binomial
B. Hypergeometric
C. Both Binomial & hypergeometric
D. None of these
6 Binomial distribution is positively skewed
A. P < 1/2
B. P > 1/2
C. P = 1/2
D. P < q < 1/2
7 Its value cannot be exactly examined.
A. Ranodm variable
B. Fixed varaible
C. Mathematical variable
D. Variable
8 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
9 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
10 Mean of hypergeometric distribution is
A. np
C. np
D. Nnk

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