3. Given that there is an 90% probability that a randomly selected adult knows what Twitter is, find the probability that when 5 adults are randomly selected, exactly 4 of them know what Twitter is. What is the probability that at least 4 of them know what Twitter is?
3. Given that there is an 90% probability that a randomly selected adult knows what Twitter is, find the probability that when 5 adults are randomly selected, exactly 4 of them know what Twitter is. What is the probability that at least 4 of them know what Twitter is?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 5CC
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Just #3 please!
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