Social Media Harris Interactive conducted a surveu in which they asked adult Americans (18 years or older) whether they used social media (Facebook, Twitter, and so on) regularly. The following table is based on the results of the survey. 18-3435-4445-5455+TotalUse social media117898349338Do not use social media33365766192Total150125140115530 Question: If an adult American is randomly selected, what is the probability he or she is 35 to 44 years old or uses social media?

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Answered: Social Media Harris Interactive…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Social Media Harris Interactive conducted a surveu in which they asked adult Americans (18 years or older) whether they used social media (Facebook, Twitter, and so on) regularly. The following table is based on the results of the survey.

	18-34	35-44	45-54	55+	Total
Use social media	117	89	83	49	338
Do not use social media	33	36	57	66	192
Total	150	125	140	115	530

Question: If an adult American is randomly selected, what is the probability he or she is 35 to 44 years old or uses social media?

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