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 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 4.6 4.646 42 444448 4.3 4.7 4.4 4.6 4.3 4.3 4.6 4.9 Assume the controllimits are 4.16 and 4.64. If the standard deviation changes to 0.12. what is the probability of a Type II error? Round your answer to 2 decimals

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