Question
A total of 28 percent of American males smoke cigarettes, 7 percent smoke cigars, and 5 percent smoke both cigars and cigarettes.(a) What percentage of males smoke neither cigars nor cigarettes?(b) What percentage smoke cigars but not cigarettes?
Step 1
This is given by the sum of the percentage of males who smoke cigarettes and the percentage of males who smoke cigars, minus the percentage of males who smoke both (to avoid double-counting). This is given by the formula: \[ P(A \cup B) = P(A) + P(B) - P(A \cap B) Show more…
Show all steps
Your feedback will help us improve your experience
Hunza Gilgit and 53 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A total of 28 percent of American males smoke cigarettes, 7 percent smoke cigars, and 5 percent smoke both cigars and cigarettes. (a) What percentage of males smokes neither cigars nor cigarettes? (b) What percentage smokes cigars but not cigarettes?
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD