Question: 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

A teller at a drive-up window at a bank had the

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 is the probability of a Type I error with control limits of 4.14 and 4.86? Select one: a. None of the other options. O b. 0.085 c. 0% O d. 100% e. 0.26%

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