#1 Use the normal distribution of SAT critical reading scores for which the mean is 508and the standard deviation is 115. Assume the variable x is normally distributed. (a) What percent of the SAT...





#1



Use the normal distribution of SAT critical reading scores for which the mean is 508and the standard deviation is 115.
Assume the variable x is normally distributed.














(a)


What percent of the SAT verbal scores are less than
550​?

(Round to 2 decimal places)



(b)


If 1000 SAT verbal scores are randomly​ selected, about how many would you expect to be greater than
525​?
(Round to the nearest whole number as​ needed.)




















Jun 03, 2022
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