Hom Id-4481564818 MAT 167 Fall 2017 Online h O\'Brien 10/29/17 508 PM Homework:

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Hom Id-4481564818 MAT 167 Fall 2017 Online h O'Brien 10/29/17 508 PM Homework: HW 7 Chapter 7 Score: 0 of 1 pt 7.2.38-T Save HWScore: 34 26%, 6 170118 pts Question Help * 110t 18(7 complete) D, A company claims that the mean monthly residential electricity consumption in a certain region is more than 870 kiloWatt-hours (kWh), You want to test this claim. You ta that a random sam ple of 70 residential customers has a mean . 0 05, can you support the claim? Complete parts (a) through (e) onthly consumption of wh Assume the population standard de ation is 121 kWh At th 0 B Hop 870 (dam) Ha $870 D. Ho > 900 (claim) ult Ha : > 900 (claim) Ha >870 (claim) () F. H0: = 870 (claim) Ha #870 le stat What 5

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