Historically,the Average Time to Service a Customer Complaint Has Been

question 145

Multiple Choice

Historically,the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day.Management would like to specify the control limits for an chart with a sample size of 10- and 3- sigma limits.The LCL for the chart would be:

• A)less than 2.40.
• B)greater than 2.40 but less than or equal to 2.45.
• C)greater than 2.45 but less than or equal to 2.50.
• D)greater than 2.50.

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