One percent of all individuals in a certain population are carriers of a particular disease. A diagnostic
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Question:
One percent of all individuals in a certain population are carriers of a particular disease. A diagnostic test for this disease correctly identifies carriers 90% of the time, and misidentifies non-carriers 5% of the time. Suppose the test is applied independently to two different blood samples from the same randomly selected individual.
(a) What is the probability that both tests yield the same result?
(b) If both tests are positive, what is the probability that the selected individual is a carrier?
Related Book For
Statistics for the Life Sciences
ISBN: 978-0321989581
5th edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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