https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=08la... A ework: Chapter 7 (Sections 71 through ... i Saved Help Save & Exit Submit Check my work The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 320 grams and a standard deviation of 14 grams. Find the weight that corresponds to each event. (Use Excel or Appendix C to calculate the z-value. Round your final answers to 2 decimal places.) K a. Highest 30 percent b. Middle 70 percent to C. Highest 90 percent d. Lowest 20 percent ices