A telephone customer service center wants to ensure that the majority of its customers' calls are...
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A telephone customer service center wants to ensure that the majority of its customers' calls are answered within a reasonable amount of wait time. Based on customer surveys, the company determined that the acceptable wait time that customers considered acceptable is between 10 and 45 seconds. A large sample of current customer calls was monitored. The average wait time was found to be 31 seconds with a standard deviation of 4.5 seconds. 36) What is the Capability Index for this process? A. 1.30 B. 1.04 C. 1.56 D. 0.43 37) Which of the following statements is best? A. The process is not Capable B. The process is in Control C. The process is Capable D. The process is not in Control 38) The company wants to achieve a target Capability Index of 1.3. Assuming the upper and lower limits do not change, what standard deviation is necessary to accomplish this? (Answers listed are rounded up to tenths.) A. 3.6 B. 0.4 C. 5.4 D. 4.5 A telephone customer service center wants to ensure that the majority of its customers' calls are answered within a reasonable amount of wait time. Based on customer surveys, the company determined that the acceptable wait time that customers considered acceptable is between 10 and 45 seconds. A large sample of current customer calls was monitored. The average wait time was found to be 31 seconds with a standard deviation of 4.5 seconds. 36) What is the Capability Index for this process? A. 1.30 B. 1.04 C. 1.56 D. 0.43 37) Which of the following statements is best? A. The process is not Capable B. The process is in Control C. The process is Capable D. The process is not in Control 38) The company wants to achieve a target Capability Index of 1.3. Assuming the upper and lower limits do not change, what standard deviation is necessary to accomplish this? (Answers listed are rounded up to tenths.) A. 3.6 B. 0.4 C. 5.4 D. 4.5
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Given Mean mu 31 Seconds UCL 45 LCL 10 Standard deviation sigma 45 Cpk Minfra... View the full answer
Related Book For
Operations and Supply Chain Management for the 21st Century
ISBN: 978-1111225292
1st edition
Authors: Ken Boyer, Rohit Verma
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