Assuming that the heights of college women are normally distributed with mean 69 inches and standard deviation 1.8 inches, answer the following questions. (Hint: Use the figure below with mean u and standard deviation a.) Area Under a Normal Curve 2.35% 13.5% 34% 34% 13.5% 2.35% u- 30 u- 20 e+ 20 e+ 30 68% 95% 99.7% (a) What percentage of women are taller than 69 inches? 50 (b) What percentage of women are shorter than 69 inches? 50 % (c) What percentage of women are between 67.2 inches and 70.8 inches? % (d) What percentage of women are between 65.4 and 72.6 inches? %

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