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12. The probability that one has been to Antarctica given that one is a traveler is...

12. The probability that one has been to Antarctica given that one is a traveler is 0.05. The probability that one has not been to Antarctica given that one is not a traveler is 0.999. The probability that one is a traveler is 0.10.

A. What is the probability of having been to Antarctica?

B.What is the probability of not being a traveler, given that you have been to Antarctica?

Math   Statistics-And-Probability   
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