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SCENARIO 8-13-B
You are the quality control manager of a water bottles company. One of the biggest complaints in the
past years has been the breakage and, hence, the concern on the durability of the connector between
the lid and the bottle which many users use as a handle for the bottles. To collect evidence before
implementing any modification to the production process, your department has subjected 50 water
bottle to durability test and the following data on the number of times the handles have been used to
lift the bottles before they break are contained in the file Scenario8-13-DataB.XLSX. Assume that the population standard deviation is 5 and the number of times the handles have been
used to lift the bottles before they break follows a normal distribution.
-Referring to Scenario 8-13-B, 95% of all confidence intervals constructed similarly
to this one with a sample size of 50 will contain the mean of the population.
Bushel
A unit of volume that is used for measuring agricultural commodities, varying in actual volume by the product being measured.
Consumption
The use of goods and services by households or individuals for personal satisfaction or to fulfill needs.
Mercedes
A German global automobile marque known for luxury vehicles, buses, coaches, and trucks.
Income
Regularly received financial returns from participation in work or through the investment of capital.
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