The contingency table below shows the results of a survey of video viewing habits by age. Viewer Age Mobile/Laptop Device TV Screen Row Total 18–34 37 22 59 35–54 13 13 26 55+ 6 9 15 Column Total 56 44 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18–34. (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 18–34 and prefer videos on a mobile or laptop device. (d) Percentage of viewers aged 18–34 who prefer videos on a mobile or laptop device. (Round your answer to 2 decimal places.) Percentage_______ (e) Percentage of viewers who are 35–54 or prefer videos on a mobile or laptop device. Percentage_________

The contingency table below shows the results of a survey of video viewing habits by age. Viewer Age Mobile/Laptop Device TV Screen Row Total 18–34 37 22 59 35–54 13 13 26 55+ 6 9 15 Column Total 56 44 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18–34. (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 18–34 and prefer videos on a mobile or laptop device. (d) Percentage of viewers aged 18–34 who prefer videos on a mobile or laptop device. (Round your answer to 2 decimal places.) Percentage_ (e) Percentage of viewers who are 35–54 or prefer videos on a mobile or laptop device. Percentage___

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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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