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

$