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Exercise 7-34 (Algo) (LO7-4) The cost per item at a supermarket follows an exponential distribution....

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Exercise 7-34 (Algo) (LO7-4) 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 $9.0. What is the percentage of items that cost a. Less than $6.0? (Round your answer to 4 decimal places.) Probability b. More than $10.0? (Round your answer to 4 decimal places.) Probability c. Between $7.0 and $9.0? (Round your answer to 4 decimal places.) Probability 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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