Statistics for Business & Economics, International Edition, 12th Edition – Test Bank

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Edition: 12th Edition

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Statistics for Business & Economics, International Edition, 12th Edition – Test Bank

CHAPTER 4—INTRODUCTION TO PROBABILITY

MULTIPLE CHOICE

1.Each individual outcome of an experiment is called

a.	the sample space
b.	a sample point
c.	an experiment
d.	an individual

ANS:BPTS:1TOP:Probability Concepts

2.The collection of all possible sample points in an experiment is

a.	the sample space
b.	a sample point
c.	an experiment
d.	the population

ANS:APTS:1TOP:Probability Concepts

3.A graphical method of representing the sample points of an experiment is

a.	a frequency polygon
b.	a histogram
c.	an ogive
d.	a tree diagram

ANS:DPTS:1TOP:Probability Concepts

4.An experiment consists of selecting a student body president and vice president. All undergraduate students (freshmen through seniors) are eligible for these offices. How many sample points (possible outcomes as to the classifications) exist?

a.	4
b.	16
c.	8
d.	32

ANS:BPTS:1TOP:Probability Concepts

5.Any process that generates well-defined outcomes is

a.	an event
b.	an experiment
c.	a sample point
d.	a sample space

ANS:BPTS:1TOP:Probability Concepts

6.The sample space refers to

a.	any particular experimental outcome
b.	the sample size minus one
c.	the set of all possible experimental outcomes
d.	an event

ANS:CPTS:1TOP:Probability Concepts

7.In statistical experiments, each time the experiment is repeated

a.	the same outcome must occur
b.	the same outcome can not occur again
c.	a different outcome may occur
d.	a different out come must occur

ANS:CPTS:1TOP:Probability Concepts

8.When the assumption of equally likely outcomes is used to assign probability values, the method used to assign probabilities is referred to as the

a.	relative frequency method
b.	subjective method
c.	probability method
d.	classical method

ANS:DPTS:1TOP:Probability Concepts

9.The counting rule that is used for counting the number of experimental outcomes when n objects are selected from a set of N objects where order of selection is not important is called

a.	permutation
b.	combination
c.	multiple step experiment
d.	None of these alternatives is correct.

ANS:BPTS:1TOP:Probability Concepts

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