2. A survey asks: Which online services have you used in the last month? • Twitter • Facebook • Have used both The results show 40% of those surveyed have used Twitter, 70% have used Facebook, and 20% have used both. How many people have used neither Twitter nor Facebook if there were 500 people surveyed? U= 100 FB T 50 20 20 10

2. A survey asks: Which online services have you used in the last month? • Twitter • Facebook • Have used both The results show 40% of those surveyed have used Twitter, 70% have used Facebook, and 20% have used both. How many people have used neither Twitter nor Facebook if there were 500 people surveyed? U= 100 FB T 50 20 20 10

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section11.4: Two-ways Tables

Problem 6E

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