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Mathematics, 25.02.2020 18:41, SAMANTHA8997
Because of high production-changeover time and costs, a director of manufacturing mustconvince management that a proposed manufacturing method reduces costs before the newmethod can be implemented. The current production method operates with a mean cost of$220 per hour. A research study will measure the cost of the new method over a sampleproduction period.
a. Develop the null and alternative hypotheses most appropriate for this study. b. Comment on the conclusion when H0 cannot be rejected. c. Comment on the conclusion when H0 can be rejected.
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