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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
6.15 A bookstore sells two types of books (fiction and nonfiction) in several formats (hardcover, paperback, digital, and audio). For the chance experiment that con- sists of observing the type and format of a single-book purchase, two possible outcomes are a hardcover fiction book and an audio nonfiction  book.
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Bold exercises answered in back                     Data set available online                   Video Solution available
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a.     There are eight outcomes in the sample space for this experiment. List these possible outcomes.
b.      Do you think it is reasonable to think that the out- comes for this experiment would be equally likely? Explain.
c.      For customers who purchase a single book, the esti- mated probabilities for the different possible out- comes are given in the cells of the accompanying table. What is the probability that a randomly se- lected single-book purchase will be for a book in print format (hardcover or paperback)?
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|
 |
Hardcover |
Paperback |
Digital |
Audio |
|
Fiction |
.15 |
.45 |
.10 |
.10 |
|
Nonfiction |
.08 |
.04 |
.02 |
.06 |
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d.      Show two different ways to compute the probability that a randomly selected single-book purchase will be for a book that is not in a print format.
e.     Find the probability that a randomly selected single- book purchase will be for a work of fiction.
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