The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 355 grams and a standard deviation of 12 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 30 percent ______ to _______

b.Middle 70 percent _______ to _______

c.Highest 90 percent ________ to _______

d.Lowest 20 percent _______ to ________