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Algebra 41 Online
OpenStudy (anonymous):

Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil. Jason decides to test the land for oil. He buys a kit that claims to have an 80% accuracy rate of indicating oil in the soil. What is the probability that the land has oil and the test predicts that there is no oil?

OpenStudy (kropot72):

|dw:1402945039880:dw| Can you see how to calculate the probability that the land has oil and the test predicts that there is no oil, using the probability tree?

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