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

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

Question # 2

The expected value of a discrete random variable is.

Question # 3

The binomial distribution is symmetrical if

Question # 4

The binomial distribution deal with:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

If x is a continuous random vriable, then the function f (x) is.

Question # 9

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

Question # 10

Mean of hypergeometric distribution is

Question # 11

The mean of binomial distribution is always:

Question # 12

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

Question # 13

Random numbers are generated from the single digit numbers.

Question # 14

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

Question # 15

The number of possible outcomes in Bernoulli trial is

Question # 16

The probability of success ------------ from one trial to another when trials are dependent

Question # 17

If x is discrete random variable, then the function f (x) 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 Mean, Median and mode of binomial distribution can be equal if
B. P < q < 1/2
C. P > q < 1/2
D. P ≠ q
2 The hypergeometric distribution has -------------- parameters
A. One
B. Two
C. Three
D. Four
3 The binomial distribution has the following parameters.
A. p & q
B. n & q 
C. n, p & q
D. None of these
4 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}
5 Binomial distribution is used when n is
A. Large
B. Small
C. Negative
D. Zero
6 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)
7 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
8 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
9 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
10 The mean of binomial distribution is always:
A. Equal to variance
B. Less than variance
C. Greater then variance
D. None of the these

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