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The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 320 grams and a standard deviation of 14

The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 320 grams and a standard deviation of 14 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 percentb.Middle 70 percenttoc.Highest 90 percentd.Lowest 20 percent

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