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The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 315 grams and a standard deviation of 16

The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 315 grams and a standard deviation of 16 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.)

a. Highest 20 percent

b. Middle 60 percent to

c. Highest 80 percent

d. Lowest 15 percent

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