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In a clinical study, volunteers are tested for a gene that has been found to increase...

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Basic Math

In a clinical study, volunteers are tested for a gene that hasbeen found to increase the risk for a disease. The probability thata person carries the gene is 0.1. Assume independence. (a) What isthe probability that five or more people need to be tested todetect two with the gene? (b) What is the expected number of peopleto test to detect two with the gene?

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