The Pew Research Center asked a random sample of 2024 adult cell phone owners from the United

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The Pew Research Center asked a random sample of 2024 adult cell phone owners from the United States their age and which type of cell phone they own: iPhone, Android, or other (including nonsmartphones). The two-way table summarizes the data.

Age 18–34 35-54 55+ Total iPhone 169 171 127 467 Type of cell phone Android 214 189 100 503 Other 134 277 643 1054 Total 517 637 870 2024

Suppose we select one of the survey respondents at random.

a. Find P(iPhone | 18–34).

b. Use your answer from part (a) to help determine if the events “iPhone” and “18–34” are independent.

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The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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Question Posted: Aug 12, 2020 04:09 AM

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The Pew Research Center asked a random sample of 2024 adult cell phone owners from the United

Question:

Age 18–34 35-54 55+ Total iPhone 169 171 127 467 Type of cell phone Android 214 189 100 503 Other 134 277 643 1054 Total 517 637 870 2024

Step by Step Answer:

The Practice Of Statistics

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