SOLUTION: According to popular belief, 80% of adults enjoy drinking beer. Choose a group of 2 adults at random. The probability that all of them enjoy drinking beer is: A) 0.500

Algebra ->  Probability-and-statistics -> SOLUTION: According to popular belief, 80% of adults enjoy drinking beer. Choose a group of 2 adults at random. The probability that all of them enjoy drinking beer is: A) 0.500       Log On


   

Question 457114: According to popular belief, 80% of adults enjoy drinking beer. Choose a group of 2 adults at random. The probability that all of them enjoy drinking beer is:


A)
0.500


B)
1.600


C)
0.400


D)
0.640
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
According to popular belief, 80% of adults enjoy drinking beer. Choose a group of 2 adults at random. The probability that all of them enjoy drinking beer is:
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The events are independent:
P(enjoy and enjoy) = P(enjoy)^2 = 0.8^2 = 0.64
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Cheers,
Stan H.
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A)
0.500
B)
1.600
C)
0.400
D)
0.640