Toaster Oven An Appliance Manufacturer Claims to Have Developed a New Toaster

question 82

Short Answer

Toaster Oven
An appliance manufacturer claims to have developed a new toaster oven that consumes an average of no more than 250 W.From previous studies,it is believed that power consumption for toaster ovens is normally distributed with a standard deviation of 18 W.A consumer group suspects the actual average is more than 250 W.They take a sample of 20 toaster ovens and calculate the average consumption to be 260 W. ​ ​
-{Toaster Oven Narrative} For a test with a level of significance of 0.05,determine the critical value.

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Definitions:

San Andreas Fault

A major geological fault in California known for producing significant earthquakes, marking the boundary between the Pacific and North American tectonic plates.

Northridge Earthquake

A magnitude 6.7 earthquake that struck the Los Angeles area of California, USA, on January 17, 1994.

Divergent Plate Boundary

A region where two tectonic plates move away from each other, leading to the creation of new crust as magma rises to the surface.

Offset Stream Channel

A stream or river channel that has been shifted laterally due to tectonic movement, creating a visible displacement along a fault line.