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

Random numbers are generated from the single digit numbers.

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Binomial distribution is used when n is

Question # 8

If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value.

Question # 9

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

Question # 10

The number of possible outcomes in Bernoulli trial is

Question # 11

The binomial distribution has the following parameters.

Question # 12

The parameters of the binomial distributions are

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Random numbers can be generated mechanically by

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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 can be generated
A. Manually
B. Mechanically
C. Botha a and b
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 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
4 Which of the following case is true for hypergeometric distribution.
A. Probability remains constant for all trials
B. Probability changes
C. successive trials are dependent
D. Both (B) and (C) but not (A)
5 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
6 A fair die is rolled three times. The probability of getting three "aces" is
A. 1/3
B. 1/6
7 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
8 Hypergeometric distribution is a
A. Continuous distribution
B. Discrete distribution
C. Simple distribution
D. Normal distribution
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 probabilyt that a continous random varaibe 'x ' takes on specific value of x is.
A. Greater thaan zero
B. Less than zero
C. Equal to Zero
D. 0 to 1

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