The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred Viewer Age Mobile/Laptop Device TV Screen Row Tota1 64 18-34 31 33 35-54 9. 18 55+ 12 18 Column Total 46 54 100 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 18-34 and prefer videds on a mobile or laptop device. Percentage of viewers |% (d) Percentage of viewers given they are 18-34 who prefer videos on a mobile or laptop device. (Round your answer to 2 dec places.) Percentage of viewers |% (e) Percentage of viewers who are 35-54 or prefer videos on a mobile or laptop device.

The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred Viewer Age Mobile/Laptop Device TV Screen Row Tota1 64 18-34 31 33 35-54 9. 18 55+ 12 18 Column Total 46 54 100 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 18-34 and prefer videds on a mobile or laptop device. Percentage of viewers |% (d) Percentage of viewers given they are 18-34 who prefer videos on a mobile or laptop device. (Round your answer to 2 dec places.) Percentage of viewers |% (e) Percentage of viewers who are 35-54 or prefer videos on a mobile or laptop device.

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Description: The contingency table below shows the results of a survey of video viewing habits by age.Video Viewing Platform PreferredViewer AgeMobile/Laptop DeviceTV ScreenRow Total18-3431336435-549.9.1855+6.1218Column Total4654100Find the following probabiliti

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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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

Topic Video

Question

The contingency table below shows the results of a survey of video viewing habits by age.
Video Viewing Platform Preferred
Viewer Age
Mobile/Laptop Device
TV Screen
Row Total
18-34
31
33
64
35-54
9.
9.
18
55+
6.
12
18
Column Total
46
54
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 videds on a mobile or laptop device.
Percentage of viewers
(d) Percentage of viewers given they are 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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