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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

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 the z-value. Round your final answers to 2 decimal places.)

a. highest 10 percent

b. middle 50 percent

c. highest 80 percent

d. lowest 10 percent

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