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Elementary Statistics: A Step by Step Approach | 7th Edition | ISBN: 9780073534978 | Authors: Allan G. Bluman
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Selecting a Movie A media rental store rented the following number of movie titles in

Chapter 4, Problem 6

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QUESTION:

Selecting a Movie A media rental store rented the following number of movie titles in each of these categories: 170 horror, 230 drama, 120 mystery, 310 romance, and 150 comedy. If a person selects a movie to rent, find the probability that it is a romance or a comedy. Is this event likely or unlikely to occur? Explain your answer.

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QUESTION:

Selecting a Movie A media rental store rented the following number of movie titles in each of these categories: 170 horror, 230 drama, 120 mystery, 310 romance, and 150 comedy. If a person selects a movie to rent, find the probability that it is a romance or a comedy. Is this event likely or unlikely to occur? Explain your answer.

ANSWER:

Problem 6

Selecting a Movie A media rental store rented the following number of movie titles in each of these categories: 170 horror, 230 drama, 120 mystery, 310 romance, and 150 comedy. If a person selects a movie to rent, find the probability that it is a romance or a comedy. Is this event likely or unlikely to occur? Explain your answer.

                                                              Step by Step Solution

Step 1 of 2

Given,

Categories

Number of titles

Horrors

170

Drama

230

Mystery

120

Romance

310

Comedy

150

Total

980

Let,

The probability that person selects a movie is a romance = P(A)

The probability that person selects a movie is a comedy = P(B)

Using the empirical probability formula,

And,

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