survey of 527 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night.  It found: 167 watched TV 150 ate pizza 38 watched TV and ate pizza, but did not hang out with friends 46 watched TV and hung out with friends, but did not eat pizza 33 hung out with friends and ate pizza, but did not watch TV 33 watched TV, hung out with friends, and ate pizza 86 did not do any of these three activities How may 18-24 year olds (of these three activities) only hung out with friends last

MATLAB: An Introduction with Applications
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A survey of 527 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night.  It found:

  • 167 watched TV
  • 150 ate pizza
  • 38 watched TV and ate pizza, but did not hang out with friends
  • 46 watched TV and hung out with friends, but did not eat pizza
  • 33 hung out with friends and ate pizza, but did not watch TV
  • 33 watched TV, hung out with friends, and ate pizza
  • 86 did not do any of these three activities

How may 18-24 year olds (of these three activities) only hung out with friends last Friday night?

 

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