Use the normal distribution of SAT critical reading scores for which the mean is 513513 and the standard deviation is 109109. Assume the variable x is normally distributed. left parenthesis a right parenthesis(a) What percent of the SAT verbal scores are less than 550? left parenthesis b right parenthesis(b) If 1000 SAT verbal scores are randomly​ selected, about how many would you expect to be greater than 525?

Question
Use the normal distribution of SAT critical reading scores for which the mean is
513513
and the standard deviation is
109109.
Assume the variable x is normally distributed.
left parenthesis a right parenthesis(a)
What percent of the SAT verbal scores are less than
550?
left parenthesis b right parenthesis(b)
If 1000 SAT verbal scores are randomly​ selected, about how many would you expect to be greater than
525?
 

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