Oil explorers order seismic tests to determine whether oil is likely to be found in a certain drilling area. These seismic tests have a known reliability: When oil exists, the tests indicate so 85% of the time and when oil does not exist the tests will erroneously indicate that it exists 10% of the time. The explorer believes that there is a 40% chance oil exists in the test area. If a test is conducted and indicates the presence of oil, what is the probability that oil really exists?
Oil explorers order seismic tests to determine whether oil is likely to be found in a certain drilling area. These seismic tests have a known reliability: When oil exists, the tests indicate so 85% of the time and when oil does not exist the tests will erroneously indicate that it exists 10% of the time. The explorer believes that there is a 40% chance oil exists in the test area. If a test is conducted and indicates the presence of oil, what is the probability that oil really exists?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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