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28. For the SAT, determine the z score (that is, the number of standard deviations and the dirge tion) that each of the following scores falls from the mean: a. 500 b. 400 C. 650 d. 570 e. 750 f. 380 29. Using the z scores calculated in Problem 28 and Table A, what is the percentage of SAT scores that falls a. 500 or above? b. 400 or below? c. between 500 and 650? d. 570 or above? e. between 250 and 750? f. 380 or above? (Hint: 50% of the area falls on either side of the curve.)