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14-10-2022
Mathematics

Answered

6 scores on a marketing exam are known to be normally distributed with a mean and a standard deviation of 60 and 20, respectively. a. find the probability that a randomly selected student scores between 50 and 80. b. find the probability that a randomly selected student scores between 20 and 40. c. the syllabus suggests that the top 15% of the students will get an a in the course. what is the minimum score required to get an a?

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