MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A company set up a kiosk in the Mall of America for several hours and asked randomly selected people which color cell phone cover was their favorite. The results follow:

|        | Age less than 21 | Age 21 or greater |
|--------|------------------|-------------------|
| White  | 10               | 5                 |
| Black  | 20               | 50                |
| Lime   | 25               | 15                |
| Orange | 35               | 25                |
| Red    | 10               | 5                 |

**Questions:**

1. What is the probability of randomly selecting a person who likes white cell phones the best?

2. What is the probability that white or orange are the favorite colors?

3. What is the probability that Lime is the favorite color, given that the person's age is less than 21?
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Transcribed Image Text:A company set up a kiosk in the Mall of America for several hours and asked randomly selected people which color cell phone cover was their favorite. The results follow: | | Age less than 21 | Age 21 or greater | |--------|------------------|-------------------| | White | 10 | 5 | | Black | 20 | 50 | | Lime | 25 | 15 | | Orange | 35 | 25 | | Red | 10 | 5 | **Questions:** 1. What is the probability of randomly selecting a person who likes white cell phones the best? 2. What is the probability that white or orange are the favorite colors? 3. What is the probability that Lime is the favorite color, given that the person's age is less than 21?
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