SOLUTION: About 20% of the population is hopeless romantic.There are 2 that are being surveyed.What is the probability that at least one is hopelessly romantic?
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Question 560064: About 20% of the population is hopeless romantic.There are 2 that are being surveyed.What is the probability that at least one is hopelessly romantic? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! About 20% of the population is hopeless romantic.There are 2 that are being surveyed.What is the probability that at least one is hopelessly romantic?
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p(at least one) = 1 - P(none of 2 are h.r.)
= 1 - (0.80)^2
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= 1 - 0.64
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= 0.36
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Cheers,
Stan H.