Question: Problem Set 4 From Heiman: 0 Ch. 5:8,10, & 12 Additional questions: 1. At the end of a particular semester, Carl took four nal exams.

Problem Set 4 From Heiman: 0 Ch. 5:8,10, & 12 Additional questions: 1. At the end of a particular semester, Carl took four nal exams. The mean and standard deviation for each exam, along with Carl's grade on each exam, are listed here. Assume that the grades on each exam are normally distributed. a. On which exam did Carl do best relative to the other students taking the exam? How do you know this? What was his percentile rank for his best exam? b. On which exam did Carl do the worst relative to the other students taking the exam? How do you know this? What was his percentile rank for his worst exam? 2. What is the probability of selecting each of the following at random from

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