A package delivery service claims that it takes an average of 30 hours or less to send a package from Manila to Cebu. An independent consumer agency is doing a study to test the truth of this claim....







A package delivery service claims that it takes an average of 30 hours or less to send a package from Manila to Cebu. An independent consumer agency is doing a study to test the truth of this claim. Several complaints had led the agency to suspect that the delivery time is longer than 30 hours.















  1. H0:µ ≤ 30; H1: µ > 30













  2. H0:µ = 30; H1: µ ≠30













  3. H0:µ ≥ 30; H1: µ <>













  4. H0:µ < 30;="" h1:="" µ="" ≥="">










Jun 01, 2022
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