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.) Percentage of viewers is ____ (e) Percentage of viewers who are 35 to 54 or prefer videos on a mobile or laptop device. Percentage of viewers is ___

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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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 35 39 74
35 to 54 8 8 16
55+ 3 7 10
Column Total 46 54 100

(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.)

Percentage of viewers is ____

(e) Percentage of viewers who are 35 to 54 or prefer videos on a mobile or laptop device.

Percentage of viewers is ___ 

 

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