The national freshman-to-sophmore retention rate has held steady at 74%. A certain college has 483 of 607 freshman return as sophmores. Does this college have the right to brag that it has an unusually high retention rate?
A. No, because their retention rate is not more than 3 standard deviations above the expected rate of 74%
B. Yes, because their retention rate is over 3 standard deviations above the expected rate of 74%
C. Yes, because their retention rate is not more than 3 standard deviations above the expected rate of 74%
D. No, because their retention rate is over 3 standard deviations above the expected rate of 74%