Test for COVID-19 will come back positive for a person with the disease about 75% of the time. However, a person without the disease will test positive about 0.5% of the time. Assume that 1% of the total population is infected with COVID-19.a. What is the probability that a randomly selected person will test positive? (3 points)b. If a randomly selected person tests positive, what is the probability they have the disease? (3 points)



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