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
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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) (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:
---------
----
The events are independent:
P(enjoy and enjoy) = P(enjoy)^2 = 0.8^2 = 0.64
==================
Cheers,
Stan H.
==================
A)
0.500
B)
1.600
C)
0.400
D)
0.640
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