SOLUTION: According to an Internet posting, 80% of adults enjoy drinking beer. If a group of 3 adults is selected at random, find the probability that none of them enjoy drinking beer. Pla

Question 622873: According to an Internet posting, 80% of adults enjoy drinking beer. If a group of 3 adults is selected at random, find the probability that none of them enjoy drinking beer.
Place your answer, rounded to three decimal places, in the blank.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

According to an Internet posting, 80% of adults enjoy drinking beer. 

If a group of 3 adults is selected at random...

P(none enoy beer) = 3C0(.8)^0(.2)^3 = .2^3 = .008 

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