Normal distribution of sat critical reading scores

Reference no: EM1396748

Use the normal distribution of SAT critical reading scores for which the mean is 507 and the standard deviation is 121. 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?

Give the approximately the answers to each. Round to four decimal places as needed.

Reference no: EM1396748

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