Question: Need some assistance with this question, please show work if applicable. Thank you! A teller at a drive-up window at a bank had the following

Need some assistance with this question, please show work if applicable. Thank you!

Need some assistance with this question, please

A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers: SAMPLE 1 2 3 4 4.5 4.6 4.5 4.7 4.2 4.5 4.6 4.6 4.2 4.4 4.4 4.8 | 4.3 4.7 4.4 4.5 4.3 4.3 4.6 4.9 What are the 3-sigma control limits using an appropriate control chart? Select one a. LCL = 4.212, UCL = 4.788 O b. LCL = 4.414, UCL = 4.586 O c. None of the other options. d. LCL = 4.245, UCL = 4.755 e. LCL = 4.385, UCL = 4.615

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