An online retailer ships products from overseas with an
advertised delivery date within 10 days. To...
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An online retailer ships products from overseas with anadvertised delivery date within 10 days. To test whether or notdeliveries are made within the advertised time, a random sample of36 orders is selected from a normal population. The sample meandelivery time is 12 days, and the known population standarddeviation is 3 days. Conduct the following test of hypothesis usingthe 0.01 significancelevel:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â [4 Marks]
H0: µ ≤ 10
H1: µ > 10
An online retailer ships products from overseas with anadvertised delivery date within 10 days. To test whether or notdeliveries are made within the advertised time, a random sample of36 orders is selected from a normal population. The sample meandelivery time is 12 days, and the known population standarddeviation is 3 days. Conduct the following test of hypothesis usingthe 0.01 significancelevel:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
H0: µ ≤ 10
H1: µ > 10
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