Reference no: EM132849121

Use the normal distribution of SAT critical reading scores for which the mean is 500 and the standard deviation is 120. Assume the variable x is normally distributed.

(a) What percent of the SAT verbal scores are less than 550??

(b) If 1000 SAT verbal scores are randomly? selected, about how many would you expect to be greater than 525??

(a) Approximately ____?% of the SAT verbal scores are less than 550. ?(Round to two decimal places as? needed.)

(b) You would expect that approximately ____ SAT verbal scores would be greater than 525. ?(Round to the nearest whole number as? needed.)