A survey of 108 high school students determined whether they used Instagram, Twitter, or Facebook. The following information was determined: 68 used Instagram, 58 used Twitter, 75 used Facebook, 34 used Instagram and Twitter, 38 used Twitter and Facebook, 45 used Instagram and Facebook, and 22 used all three. How many of the students surveyed used.... c) Instagram or Twitter? d) Instagram or Twitter, but not Facebook? e) exactly two of any social media?
A survey of 108 high school students determined whether they used Instagram, Twitter, or Facebook. The following information was determined: 68 used Instagram, 58 used Twitter, 75 used Facebook, 34 used Instagram and Twitter, 38 used Twitter and Facebook, 45 used Instagram and Facebook, and 22 used all three. How many of the students surveyed used.... c) Instagram or Twitter? d) Instagram or Twitter, but not Facebook? e) exactly two of any social media?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A survey of 108 high school students determined whether they used Instagram, Twitter, or Facebook. The following information was determined:
68 used Instagram, 58 used Twitter, 75 used Facebook, 34 used Instagram and Twitter, 38 used Twitter and Facebook, 45 used Instagram and Facebook, and 22 used all three.
How many of the students surveyed used....
c) Instagram or Twitter?
d) Instagram or Twitter, but not Facebook?
e) exactly two of any social media?
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