SOLUTION: In a survey, 65% of Americans said they own an answering machine. If 12 Americans are selected randomly, find the probability that at least 9 own an answering machine.

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Question 479054: In a survey, 65% of Americans said they own an answering machine. If 12 Americans are
selected randomly, find the probability that at least 9 own an answering machine.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
to 5 decimal places.