Question 22 A survey of 528 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: . 155 watched TV • 173 hung out with friends . • 186 ate pizza ● 31 watched TV and ate pizza, but did not hang out with friends . 44 watched TV and hung out with friends, but did not eat pizza • 43 hung out with friends and ate pizza, but did not watch TV . 43 watched TV, hung out with friends, and ate pizza How may 18-24 year olds did not do any of these three activities last Friday night?
Question 22 A survey of 528 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: . 155 watched TV • 173 hung out with friends . • 186 ate pizza ● 31 watched TV and ate pizza, but did not hang out with friends . 44 watched TV and hung out with friends, but did not eat pizza • 43 hung out with friends and ate pizza, but did not watch TV . 43 watched TV, hung out with friends, and ate pizza How may 18-24 year olds did not do any of these three activities last Friday night?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Transcribed Image Text:Question 22
A survey of 528 adults aged 18-24 year olds was conducted in which they were
asked what they did last Friday night. It found:
155 watched TV
●
173 hung out with friends
• 186 ate pizza
.
31 watched TV and ate pizza, but did not hang out with friends
●
. 44 watched TV and hung out with friends, but did not eat pizza
•
43 hung out with friends and ate pizza, but did not watch TV
. 43 watched TV, hung out with friends, and ate pizza
How may 18-24 year olds did not do any of these three activities last Friday night?
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