Suppose the amount of time to grade an exam is uniform on 20 to 30 minutes. A) Draw the density curve. Include this as part of your work. B) What is the height of the density curve? h =  C) What is the probability that grading an exam is between 22 and 27 minutes? P =  D) What is the probability that grading an exam is between 20-22 minutes OR 27-30 minutes? P =

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