what is the probability all three would be smokers?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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A survey of students has found the prevalence of smoking on campus is 20%. If three students were randomly selected on campus, what is the probability all three would be smokers?
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