A Packaging Machine Is Supposed to Fill Boxes of Breakfast

question 50

Multiple Choice

A packaging machine is supposed to fill boxes of breakfast cereal to a weight of 16 ounces. Eight filled boxes are selected at random and the weight of cereal is determined. The results (in ounces) are summarized in the following table. A technician wishes to test the claim that the machine is overfilling the boxes. At the 5% significance level, what is the P-value of the test statistic? (Assume the filling weights are normally distributed.)

• A)0.262
• B)0.005
• C)0.032
• D)0.081
• E)0.115

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Definitions:

Long-Run Supply

The total quantity of goods or services that producers are willing and able to supply over a long period, considering all inputs and production costs are variable.

Production

The process of combining various material inputs and immaterial inputs (plans, know-how) in order to make something for consumption (the output).

Supply Curves

Graphical representations showing the relationship between the price of a good and the quantity of that good that suppliers are willing and able to sell, holding other factors constant.

Long Run

A period in economics in which all factors of production and costs are variable, allowing all inputs to be adjusted.