The baggage manager of an airport wants to improve the time that passengers wait in the baggage claim area. She has a sample of 129 domestic flights. The mean waiting time is $ \bar{x}$ = 12 minutes and s = 3.6 minutes. Is the claim that μ13.5 minutes substantiated by these data? Test with α = 0.01.

Question

The baggage manager of an airport wants to improve the time that passengers wait in the baggage claim area. She has a sample of 129 domestic flights. The mean waiting time is $  \bar{x}$ = 12 minutes and s = 3.6 minutes. Is the claim that μ>13.5 minutes substantiated by these data? Test with α = 0.01.

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The Answer of The baggage manager of an airport wants to improve the time that passengers wait in the baggage claim area. She has a sample of 129 domestic flights. The mean waiting time is $  \bar{x}$ = 12 minutes and s = 3.6 minutes. Is the claim that μ>13.5 minutes substantiated by these data? Test with α = 0.01.

The Baggage Manager of an Airport Wants to Improve the Time