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# Conditional Probability: The Probability of Carrying a Disease

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Question: A common test for AIDS is called to ELISA (enzyme-linked immunosorbent assay) test. Among 1 million people who are given the ELISA test, we can expect results similar to those given in the attached table.

Please view the attachment for the rest of the question.

https://brainmass.com/math/probability/conditional-probability-probability-carrying-disease-251071

#### Solution Preview

(a) The question asks what is the probability that the selected person is suffering from B1.

The probability of this is given by = total person suffering from B1/Total persons studied
= (4885+115) / 1,000,000.

(b) The question asks what is the probability that the ...

#### Solution Summary

In a detailed solution, this response provides reasoning for how each of these probability-based calculations need to be done. All required calculations are included.

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