Problem 4 Schnitzler syndrome has an incidence rate of 10%. It is found that 80% of people suffering from Schnitzler syndrome get a positive result from the screening test and 25% of the people...

Extracted text: Problem 4 Schnitzler syndrome has an incidence rate of 10%. It is found that 80% of people suffering from Schnitzler syndrome get a positive result from the screening test and 25% of the people without the syndrome get a (false) positive result. a. What is the probability of not having Schnitzler syndrome if the test result was positive? Answer exact fraction, or rounded to at least 4 decimal places b. What is the probability of having Schnitzler syndrome if the test result was negative? Answer exact fraction, or rounded to at least 4 decimal places