Use the normal distribution of SAT critical reading scores for which the mean is 505 and the standard deviation is 116. 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 505 and the standard deviation is 116.
Assume the variable x is normally distributed.

(a)	What percent of the SAT verbal scores are less than 600?
(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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