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...
icon
Related questions
Question

Please find question attached, Thanks!

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      | 40                   | 23        | 63        |
| 35–54      | 12                   | 12        | 24        |
| 55+        | 5                    | 8         | 13        |
| 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: [ ] %

(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: [ ] %
Transcribed Image Text: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 | 40 | 23 | 63 | | 35–54 | 12 | 12 | 24 | | 55+ | 5 | 8 | 13 | | 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: [ ] % (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: [ ] %
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Research Ethics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON