Please enter answers as fractions. A total of 262 patients have parti.docx

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Please enter answers as fractions. A total of 262 patients have participated in a study to examine how well a new medical test can detect a disease. Each patient either has or does not have the disease, and the test can return a positive or negative result. The table summarizes the data from the study: Negative 87 Does not have disease Has disease Total 68 155 34 73 107 121 141 262 Positive Total For example, 68 patients have the disease and (but) received a negative test result The table also gives totals for each category. For example, 141 patients have the disease, while 107 patients received positive test results. a) Suppose a patient is chosen
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