0.3% of students have the flu, 4% have COVID, and 5% have a temperature. 95% of students with the flu and 50% of students with COVID have a temperature. If a student has a temperature, the probability they have the flu is 0.3%/5% = 6%.
-3- Testing of a student population reveals that 0-3- of the students.docx
1. [3] Testing of a student population reveals that 0.3% of the students have the flu, while 4% have
COVID, and no students have both. Also, 5% of the student population has a temperature. If
95% of the students with the flu have a high temperature, and 50% of the students with COVID
have a high temperature, then if a given student has a high temperature, what is the probability
that student has the flu?