SOLUTION: In a survey, 70% of Americans said they own an answering machine. If 14 Americans are selected at random, find the probability that exactly 11 own an answering machine. P (11)

SOLUTION: In a survey, 70% of Americans said they own an answering machine. If 14 Americans are selected at random, find the probability that exactly 11 own an answering machine. P (11)

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Question 1081722: In a survey, 70% of Americans said they own an answering machine. If 14 Americans are selected at random, find the probability that exactly 11 own an answering machine.
P (11)=

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
This is 14C11*0.7^11*0.3^3=0.1943
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