Based upon entersive data from a national Figh school educationat testing pregran, the mean score of national test accres for mathecralics was found to be 605 and the standard devation of natonai test icores for mathenatcs was found to be 128 goints. Whot is the probabiity that a fandom sample of 266 students will have a mesn score of more than 617 ? Less than 588 ? The probebility that a randorm sample of 256 stidents will tave a mean score of more than 617 is (Riound to four decimal places as needed)