From a Population of Cans of Coffee Marked "12 Ounces $\alpha$

question 58

Essay

From a population of cans of coffee marked "12 ounces," a sample of 50 cans was selected and the contents of each can were weighed. The sample revealed a mean of 11.8 ounces with a standard deviation of 0.5 ounces.
a.Formulate the hypotheses to test to see if the mean of the population is at least 12 ounces.
b.Compute the test statistic.
c.Using the p-value approach, what is your conclusion? Let $\alpha$ = .05.

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Definitions:

Proximity Switch

A sensor that detects the presence or absence of an object without physical contact, usually used in industrial applications to control machinery.

Capacitor Proximity Sensors

Sensors that use the capacitance change principle to detect the presence or absence of objects, often used in material handling and level control applications.

Conductive Materials

Materials that permit the flow of electric current, often used in electrical and electronic applications for wiring and components.

Electromagnetic Field

A physical field produced by electrically charged objects. It affects the behavior of charged objects in the vicinity of the field.