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

question 52

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 UCL for the chart would be

• A)less than or equal to 3.30.
• B)greater than 3.30 but less than or equal to 3.40.
• C)greater than 3.40 but less than or equal to 3.50.
• D)greater than 3.50.