Reference no: EM132361920
The contingency table below shows the results of a survey of video viewing habits by age.
Video Viewing Platform Preferred
Viewer Age Mobile/Laptop TV Screen Row Total
18-34 39 35 74
35-54 8 8 16
55+ 2 8 10
Column Total 49 51 100
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 ____ %
(d) Percentage of viewers aged 18-34 who prefer videos on a mobile or laptop device. (Round your answer to 2 decimal places.)
Percentage of viewers ____ %
(e) Percentage of viewers who are 35-54 or prefer videos on a mobile or laptop device.
Percentage of viewers ____ %
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