A poll was conducted among 250 residents of a certain city regarding tougher gun-control laws. The results of the poll are shown in the table. (Enter your answers to three decimal places.) Own Only a Handgun Own Only a Rifle Own a Handgun and a Rifle Own Neither Total Favor Tougher Laws 0 14 0 136 150 Oppose Tougher Laws 60 5 21 0 86 No Opinion 0 0 0 14 14 Total 60 19 21 150 250 (a) If one of the participants is selected at random, what is the probability that he or she favors tougher gun-control laws? (b) If one of the participants is selected at random, what is the probability that he or she owns a handgun? (c) If one of the participants is selected at random, what is the probability that he or she owns a handgun but not a rifle?
A poll was conducted among 250 residents of a certain city regarding tougher gun-control laws. The results of the poll are shown in the table. (Enter your answers to three decimal places.) Own Only a Handgun Own Only a Rifle Own a Handgun and a Rifle Own Neither Total Favor Tougher Laws 0 14 0 136 150 Oppose Tougher Laws 60 5 21 0 86 No Opinion 0 0 0 14 14 Total 60 19 21 150 250 (a) If one of the participants is selected at random, what is the probability that he or she favors tougher gun-control laws? (b) If one of the participants is selected at random, what is the probability that he or she owns a handgun? (c) If one of the participants is selected at random, what is the probability that he or she owns a handgun but not a rifle?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A poll was conducted among 250 residents of a certain city regarding tougher gun-control laws. The results of the poll are shown in the table. (Enter your answers to three decimal places.)
| Own Only a Handgun |
Own Only a Rifle |
Own a Handgun and a Rifle |
Own Neither |
Total | |
|---|---|---|---|---|---|
| Favor Tougher Laws | 0 | 14 | 0 | 136 | 150 |
| Oppose Tougher Laws | 60 | 5 | 21 | 0 | 86 |
| No Opinion | 0 | 0 | 0 | 14 | 14 |
| Total | 60 | 19 | 21 | 150 | 250 |
(a) If one of the participants is selected at random, what is the probability that he or she favors tougher gun-control laws?
(b) If one of the participants is selected at random, what is the probability that he or she owns a handgun?
(c) If one of the participants is selected at random, what is the probability that he or she owns a handgun but not a rifle?
(d) If one of the participants is selected at random, what is the probability that he or she favors tougher gun-control laws and does not own a handgun?
(b) If one of the participants is selected at random, what is the probability that he or she owns a handgun?
(c) If one of the participants is selected at random, what is the probability that he or she owns a handgun but not a rifle?
(d) If one of the participants is selected at random, what is the probability that he or she favors tougher gun-control laws and does not own a handgun?
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