The results for a blood test for a certain disease are shown in the tab below. Let D represent disease status (whether or not the person actually has the disease) and T represents test results. Based on the table, what is the prevalence of the disease? In epidemiology, prevale is the proportion of a particular population found to be affected by a

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The results for a blood test for a certain disease are shown in the table
below. Let D represent disease status (whether or not the person
actually has the disease) and T represents test results. Based on the
table, what is the prevalence of the disease? In epidemiology, prevaler
is the proportion of a particular population found to be affected by a
medical condition.
T+
T-
Total
D+
290
10
300
D-
3219
481
3700
Total
3509
491
4000
Transcribed Image Text:The results for a blood test for a certain disease are shown in the table below. Let D represent disease status (whether or not the person actually has the disease) and T represents test results. Based on the table, what is the prevalence of the disease? In epidemiology, prevaler is the proportion of a particular population found to be affected by a medical condition. T+ T- Total D+ 290 10 300 D- 3219 481 3700 Total 3509 491 4000
Expert Solution
Step 1

here True positive = 290

False negative = 3219

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