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A tutoring company prepares students for the SAT and they make that clear to their students. mean Standard deviation 35. The SAT math score is

A tutoring company prepares students for the SAT and they make that clear to their students. mean Standard deviation 35. The SAT math score is 650 with a) If a student is randomly selected, what is the probability that his or her score will be less than 625? 6) So if a student scores less than 625, would that be unusual? Should we doubt the company's claim? (Explain your answer using part (a).) c) Considering a sample of 100 students, what is the probability that their mean score, X, is less than 625? d) So if 100 students averaged less than 625, would that be unusual? say? (Explain your answer Should we doubt the asing part of Company (C).)

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