6. Find the indicated z-score shown in the graph to the right. Area = 0.0934, z=??? 7. Find the indicated z-scores shown in the graph. Left = 0.0329, z=???, Right= 0.0329 8. Find the z-score that has 40.9% of the distribution's area to its left. 9. Find the z-score that has 77.6% of the distribution's area to its right. 10. In a survey of women in a certain country (ages 20 - 29), the mean height was 64.1 inches with a standard deviation of 2.68 inches. Answer the following questions about the specified normal distribution. (a) What height represents the 95th percentile? (b) What height represents the first quartile? 11. In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where O represents the worst possible life and 10 represents the best possible life. The mean response was 5.6 with a standard deviation of 2.2. (a) What response represents the 92nd percentile? (b) What response represents the 64th percentile? (c) What response represents the first quartile? 12. The red blood cell counts (in millions of cells per microliter) for a population of adult males can be approximated by a normal distribution, with a mean of 5.3 million cells per microliter and a standard deviation of 0.5 million cells per microliter. (a) What is the minimum red blood cell count that can be in the top 23% of counts? (b) What is the maximum red blood cell count that can be in the bottom 12% of counts