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(Solved): Use the normal distribution of SAT critical reading scores for which the mean is 509 and the standar ...



Use the normal distribution of SAT critical reading scores for which the mean is 509 and the standard deviation is 125. Assume the variable x is normally distributed. (a) What percent of the SAT verbal scores are less than 625​? (b) If 1000 SAT verbal scores are randomly​ selected, about how many would you expect to be greater than 575​?



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