The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred TV Screen Viewer Age Mobile/Laptop Device Row Total 18-34 40 23 63 35-54 12 12 24 8 13 55+ Column Total 57 43 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18-34. (Round your answer to 2 decimal places.) Probability (b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places.) Probability (c) Percentage of viewers who are 18-34 and prefer videos on a mobile or laptop device. Percentage of viewers %
The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred TV Screen Viewer Age Mobile/Laptop Device Row Total 18-34 40 23 63 35-54 12 12 24 8 13 55+ Column Total 57 43 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18-34. (Round your answer to 2 decimal places.) Probability (b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places.) Probability (c) Percentage of viewers who are 18-34 and prefer videos on a mobile or laptop device. Percentage of viewers %
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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