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7.Please help Saved Help S The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 390 grams and

7.Please help

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Saved Help S The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 390 grams and a standard deviation of 9 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 to C. Highest 80 percent d. Lowest 10 percent

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