# The cost per item at a supermarket follows an exponential

June 14, 2018

The cost per item at a supermarket follows an exponential distribution. There are many inexpensive items and a few relatively expensive ones. The mean cost per item is \$9.00. What is the percentage of items that cost: 8. value:10.00 points Required information a.Less than \$6.00? (Round your answer to 4 decimal places.) Probability References eBook & Resources WorksheetDifficulty: 2 IntermediateLearning Objective: 07-05 Describe the exponential probability distribution and use it to calculate probabilities.Check my work 9. value:10.00 points Required information b.More than \$10.00? (Round your answer to 4 decimal places.) Probability References eBook & Resources WorksheetDifficulty: 2 IntermediateLearning Objective: 07-05 Describe the exponential probability distribution and use it to calculate probabilities.Check my work 10. value:10.00 points Required information c.Between \$7.00 and \$9.00? (Round your answer to 4 decimal places.) Probability References eBook & Resources WorksheetDifficulty: 2 IntermediateLearning Objective: 07-05 Describe the exponential probability distribution and use it to calculate probabilities.Check my work 11. value:10.00 points Required information d.Find the 45th percentile. Fifty five percent of the supermarket items cost more than what amount?(Round your answer to 2 decimal places.) Amount\$

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