Use the normal distribution of SAT critical reading scores for which the mean is 507 and the standard deviation is 113. Assume the variable x is normally distributed. (a) What percent of the SAT...


Use the normal distribution of SAT critical reading scores for which the mean is 507 and the standard deviation is 113. Assume the variable x is normally distributed.















(a)


What percent of the SAT verbal scores are less than
675​?



(b)


If 1000 SAT verbal scores are randomly​ selected, about how many would you expect to be greater than
575​?





Jun 08, 2022
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