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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
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)?
|
|
Hardcover |
Paperback |
Digital |
Audio |
|
Fiction |
.15 |
.45 |
.10 |
.10 |
|
Nonfiction |
.08 |
.04 |
.02 |
.06 |
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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