1) u = 130,000, x = 100,000, 8 = 120,000, n = 36 Q: % of scores below x? 2) u = 12.8, x = 16.4, 8 = 54.0, n =100 Q: % of scores between u and x? 3) u = 612, x = 500, 8 = 1568, n = 64 Q: Prob of scores between u and x by chance? 4) u = 1500, x = 1510, 8 = 40, n =100 Q: Prob of scores below u and above x by chance