blueheeter1461
06.03.2020 •
Social Studies
Because of high production-changeover time and costs, a director of manufacturing must convince management that a proposed manufacturing method reduces costs before the new method can be implemented. The current production method operates with a mean cost of per hour. A research study will measure the cost of the new method over a sample production period.
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Ответ:
This question is incomplete, here is the complete question:
Because of high production-changeover time and costs, a director of manufacturing must convince management that a proposed manufacturing method reduces costs before the new method 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 sample production period.
a. Develop the null and alternative hypotheses most appropriate for this study.
b. Comment on the conclusion when $H_{0}$ cannot be rejected.
c. Comment on the conclusion when $H_{0}$ can be rejected.
Check the explanation
Explanation:
The above information states that the mean cost is $220 per hour.
Here, the director of manufacturing unit must persuade the management and also proposed a manufacturing technique that reduces cost before the latest method can be put into practice. This can be written as μ<220. The balance of the claim is µ≥220. In this given experiment, the alternative hypothesis point toward this solution
$H_{0} : \mu \geq 220, H_{a} : \mu<220$
b. There is not enough evidence to maintain the claim that the proposed
manufacturing technique reduces costs.
c. There is adequate evidence to support the assertion that the proposed
manufacturing method decreases costs.
Ответ:
Provides a brief background about the essay’s subject
Explanation:
In this introduction we can see that the writer's position at first was from point of view of all women, then the position transpired to the position of someone who made her own business, herself.
It is showing us about what she would be talking in her book, about her business life and how did she got her position as someone who made that company.