Question: 13 - A mail-order business prides itself on its ability to ll customers' orders in two hours or less on average. Based on sample information,

13 - A mail-order business prides itself on its ability to ll customers' orders in two hours or less on average. Based on sample information, the manager decides if the desired standard is not being met. She will assume that the average hours to ll customers' orders is two or less unless the data suggest strongly otherwiser Establish the appropriate null and alternative hypotheses. 0 Ho: u 2 2 hours HA: u 2 hours 0 Ho: u > 2 hours HA: u s 2 hours 0 H0: u = 2 hours HA: u : 2 hours

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