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/At a fashion retailer, there are 3 cashiers providing checkout service to customers simultaneously. On average, customers arrive at the checkout area every 6 minutes. The standard deviation of the inter-arrival time is 6 minutes. The average checkout time for each customer is 12 minutes, with its standard deviation equal to 13 minutes. What is the fraction of time during which a cashier is busy (i.e., what is the utilization of a cashier)? Note: 1. Provide your answer as a percentage, but do not include the % mark. 2. Round your answer to 2 decimal places. For example, if your answer is 58.123%, enter 58.12. Your Answer: Answer

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At a fashion retailer, there are 3 cashiers providing checkout service to customers simultaneously. On average, customers arrive at the checkout area every 6 minutes. The standard deviation of the inter-arrival time is 6 minutes. The average checkout time for each customer is 12 minutes, with its standard deviation equal to 13 minutes. What is the fraction of time during which a cashier is busy (i.e., what is the utilization of a cashier)? Note: 1. Provide your answer as a percentage, but do not include the % mark. 2. Round your answer to 2 decimal places. For example, if your answer is 58.123%, enter 58.12. Your Answer: Answer

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Transcribed Image Text: At a fashion retailer, there are 3 cashiers providing checkout service to customers simultaneously. On average, customers arrive at the checkout area every 6 minutes. The standard deviation of the inter-arrival time is 6 minutes. The average checkout time for each customer is 12 minutes, with its standard deviation equal to 13 minutes. What is the fraction of time during which a cashier is busy (i.e., what is the utilization of a cashier)? Note: 1. Provide your answer as a percentage, but do not include the % mark. 2. Round your answer to 2 decimal places. For example, if your answer is 58.123%, enter 58.12. Your Answer: Answer

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Transcribed Image Text: At a fashion retailer, there are 3 cashiers providing checkout service to customers simultaneously. On average, customers arrive at the checkout area every 6 minutes. The standard deviation of the inter-arrival time is 6 minutes. The average checkout time for each customer is 12 minutes, with its standard deviation equal to 13 minutes. What is the fraction of time during which a cashier is busy (i.e., what is the utilization of a cashier)? Note: 1. Provide your answer as a percentage, but do not include the % mark. 2. Round your answer to 2 decimal places. For example, if your answer is 58.123%, enter 58.12. Your Answer: Answer

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ZPW3VI

false

Average interarrival time, ta = 6 minutes Average effective processing time, te = 12 minute ... See the full answer