question archive assume that 15% of patients with Non-Hodgkin lymphoma have a newly discovered variant of the disease that is associated with a life expectancy of 5 years
assume that 15% of patients with Non-Hodgkin lymphoma have a newly discovered variant of the disease that is associated with a life expectancy of 5 years
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assume that 15% of patients with Non-Hodgkin lymphoma have a newly discovered variant of the disease that is associated with a life expectancy of 5 years. Patients with the standard form of Non-Hodgkin lymphoma have a life expectancy of 7 years. A new drug prolongs life for patients with the variant form of disease from 5 to 6 years, but it has no effect on patients with the standard form of disease. The drug costs $10,000 for a course of treatment. It has negligible side effects. A diagnostic test distinguishes patients with the variant form from those with the standard form of the disease. The test costs $250. It has a sensitivity of 0.70 and a specificity of 0.80 for detecting the variant form of the disease. use decision tree to solve
