1. True/False. These normal distributions have the same area under their curves. 2. Choose the normal distribution with the smallest standard deviation. B 3. Which normal distribution has a larger z-score for the normally distributed random variable x=7? H = 3 H = 5 4. Find the z-scores for the two normally distributed random variables, measured using different units of lengt a) x = 22 in, where X comes from N (15, 2.5) b) y = 55.88 cm, where Y comes from N (38.1, 6.35) 5. For which of the following distributions may we use the Empirical Rule? B