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 parameters of the binomial distributions are

Question # 2

Binomial distribution is used when n is

Question # 3

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

Question # 4

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

Question # 5

Random numbers can be generated mechanically by

Question # 6

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

Question # 7

Which of the following is true for binomial distribution

Question # 8

Random numbers can be generated

Question # 9

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

Question # 10

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

Question # 11

The parameters of hypergeometric distribution are:

Question # 12

Variance of binomial distribution is

Question # 13

The binomial distribution is symmetrical when:

Question # 14

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

Question # 15

A copntinuous probability distribution may be represented by.

Question # 16

The expected value of a discrete random variable is.

Question # 17

The probabilyt density function p (x) cannot exced.

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ICS Part 1 Statistics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The parameters of the binomial distributions are
A. x and n
B. x and p
C. p and q
D. n and p
2 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
3 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
4 In binomial distribution, the random variable  has a range:
A. 0,1,2...................n
B. 0,1,2,......+∞
C. -∞ to +∞
D. ∞ to +0
5 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
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 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 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 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}
10 The binomial distribution is symmetrical if
A. p = 1/2
B. P > 1/2
C. p < 1/3
D. P ≠ q

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