question archive 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
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
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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 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 30 percent | |||
| b. | Middle 70 percent | to | ||
| c. | Highest 90 percent | |||
| d. | Lowest 20 percent | |||
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