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

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

Question # 2

A fair die is rolled three times. The probability of getting three "aces" is

Question # 3

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

Question # 4

The number of possible outcomes in Bernoulli trial is

Question # 5

In binomial distribution, the random variable  has a range:

Question # 6

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

Question # 7

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

Question # 8

The expected value of a discrete random variable is.

Question # 9

Random number can be generated manully by

Question # 10

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

Question # 11

If C is a non -random variabe than E (C) is.

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

if X and Y are independent random varaibesl the S.D. (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 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}
2 Hypergeometric distribution is a
A. Continuous distribution
B. Discrete distribution
C. Simple distribution
D. Normal distribution
3 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
4 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
5 In binomial distribution, the random variable  has a range:
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
6 The probability of success ------------ from one trial to another when trials are dependent
A. Remains constant
B. Is changed
C. One
D. Zero
7 The probability of even/odd number when a fair die rolled is:
A. 1/6
B. 2/6
C. 1/36
D. 3/6
8 A fair die is rolled three times. The probability of getting three "aces" is
A. 1/3
B. 1/6
9 Each trial of binomial experiment results in an outcome which can be classified in two categories
A. Head or tail
B. Ace or six
C. Success and failure
D. None of these
10 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

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