Question
The contingency table below shows the results of a survey of video viewing habits by age. Viewer Age Video Viewing Platform Preferred Row Total Mobile/Laptop
The contingency table below shows the results of a survey of video viewing habits by age.
| Viewer Age | Video Viewing Platform Preferred | Row Total | |
|---|---|---|---|
| Mobile/Laptop Device | TV Screen | ||
| 18 to 34 | 36 | 26 | 62 |
| 35 to 54 | 12 | 12 | 24 |
| 55+ | 4 | 10 | 14 |
| Column Total | 52 | 48 | 100 |
Find the following probabilities or percentages: (a) Probability that a viewer is aged 18 to 34. (Round your answer to 2 decimal places.)
(b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places.)
(c) Percentage of viewers who are 18 to 34 and prefer videos on a mobile or laptop device.
(d) Percentage of viewers given they are 18 to 34 who prefer videos on a mobile or laptop device. (Round your answer to 2 decimal places.)
(e) Percentage of viewers who are 35 to 54 or prefer videos on a mobile or laptop device.
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Calculus Single And Multivariable
Authors: Deborah Hughes Hallett, Andrew M Gleason, William G McCallum, Daniel E Flath, Patti Frazer Lock, Sheldon P Gordon, David O Lomen, David Lovelock, Brad
6th Edition
1118475712, 9781118475713
