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

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

Question # 2

Random number can be generated manully by

Question # 3

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

Question # 4

The probabilyt density function p (x) cannot exced.

Question # 5

The binomial distribution has the following parameters.

Question # 6

The binomial distribution is symmetrical if

Question # 7

In hypergeometric distribution, the successive trials are.

Question # 8

The mean of binomial distribution is always:

Question # 9

The probability of even/odd number when a fair die rolled is:

Question # 10

Random numbers are generated from the single digit numbers.

Question # 11

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

Question # 12

Random numbers can be generated

Question # 13

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

Question # 14

In binomial distribution, the random variable  has a range:

Question # 15

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

Question # 16

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

Question # 17

N-K is classified as

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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 X and Y are independent random variables , the E (XY) is equal to.
A. E(XY)
B. E(X) E(Y)
C. XE(Y)
D. YE(X)
2 In binomial distribution, the random variable  has a range:
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
3 An expected value of a random variable is equal to its.
A. Variance
B. B.D.
C. Mean
D. Co - Variance
4 The expected value of a discrete random variable is.
A. Always an integer
B. Always one of the values that the random variable can assume
C. An interal of values
D. None of these
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 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
7 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
8 N-K is classified as
A. Success
B. Failures
C. Parameters
D. Range
9 The binomial distribution has the following parameters.
A. p & q
B. n & q 
C. n, p & q
D. None of these
10 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

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