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 probabilyt that a continous random varaibe 'x ' takes on specific value of x is.

Question # 2

Its value cannot be exactly examined.

Question # 3

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

Question # 4

The probabilyt density function p (x) cannot exced.

Question # 5

Mean of hypergeometric distribution is

Question # 6

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

Question # 7

Binomial distribution is positively skewed

Question # 8

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

Question # 9

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

Question # 10

Hypergeometric distribution is a

Question # 11

The mean of binomial distribution is always:

Question # 12

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

Question # 13

The binomial distribution deal with:

Question # 14

In hypergeometric distribution, the successive trials are.

Question # 15

Random numbers are generated from the single digit numbers.

Question # 16

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

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 A fair die is rolled three times. The probability of getting three "aces" is
A. 1/3
B. 1/6
2 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)
3 In hypergeometric distribution, the successive trials are.
A. Dependent
B. Independent
C. Both (A) & (B)
D. None of these
4 Random number can be generated manully by
A. Dawing cards from numbered cards
B. Roitaing or spinning numbered wheels
C. Use of random numbers table
D. All of these
5 If X and Y are random varaibes, than E ( X - Y) is equal to.
A. E(X) + E (Y)
B. E(X) - E(Y)
C. X - E (Y)
D. E(X) - Y
6 Which of the following distribution(s) has 3 parameters.
A. Binomial distribution
B. Hypergeometric distribution
C. Both of the above 
D. None of these
7 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
8 If in binomial distribution, μ = 6, p = 3/5, the number of trial are:
A. 18
B. 30
C. 10
D. None of these
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 Variance of binomial distribution is
A. np
B. √npq
C. npq
D. nq

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