Mathematics > QUESTIONS & ANSWERS > Questions and Answers > Suppose 80% of students in CSE230 passed the midterm exam. The final exam is (All)
Questions and Answers > Suppose 80% of students in CSE230 passed the midterm exam. The final exam is passed by 60% of those who passed the midterm, but only 20% of those who failed the mid-term.
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Suppose 80% of students in CSE230 passed the midterm exam. The final exam is passed by 60% of those who passed the midterm, but only 20% of those who failed the mid-term. What fraction of the studen ... ts passed the final? (Draw a tree diagram and compute the values) (5 Marks) 7. Suppose that 6% of the patients tested in a clinic are infected with Covid-19. Furthermore, suppose that when a blood test for Covid-19 is given, 96% of the patients tested positive given they are infected with Covid-19 and that 2% of the patients tested positive given they are not infected with Covid-19. a. Draw the tree diagram for the above scenario and compute the values. What is the probability that(5 Marks) b. a patient has Covid-19 given they have been tested positive? (2 Marks) c. a patient is not infected with it given they have been tested positive? (2 Marks) d. a patient has Covid given they have been tested negative? (3 Marks) e. a patient is not infected with it given they have been tested negative? (3 Marks) [Show More]
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