5.) Draw a density curve and use the calculator to determine the probability. Write the calculator function. A professor believes that if a class is allowed to work on an examination as long as desired, the times spent by the students would be approximately normally distributed with mean 70 minutes and standard deviation 5 minutes. What is the probability that a student will take between 60 minutes and 75 minutes to finish an exam? Z. X-P 63-70 5 = -1.4 = NORM SDIST (-1.4) = 0.080757

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