The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 325 grams and a standard deviation of 10 grams. Find the weight that corresponds to each event.(Use Excel or Appendix C to calculate thez-value. Round your final answers to 2 decimal places.)

a.Highest 10 percent_______

b.Middle 50 percent ______to______

c.Highest 80 percent ________

d.Lowest 10 percent___________