THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 1

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A restaurant manager was in charge of purchasing new microwaves for his restaurant.The choices were narrowed to two available models.Since the two models cost about the same,the manager was interested in determining whether there was a difference in the amount of power consumed when operated at high voltages.Based on two independent random samples,the following summary information was computed:

-Find a 95% confidence interval for the difference in the amount of power consumed at high voltages by the two models.

• A)0.2 ± 0.49
• B)0.2 ± 0.58
• C)0.2 ± 0.64
• D)0.2 ± 1.28

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Definitions:

Accretionary Prism

A prism-shaped pile of rock and sediment detached from the upper part of a descending tectonic plate and adhered to the plate above it at a collision zone between tectonic plates.

Subduction Zone

The region where one tectonic plate moves under another, leading to volcanic activity and earthquakes.

Magma

The molten or semi-molten natural material from which all igneous rocks are derived, existing beneath the Earth's surface.

Thrust Sheets

Large sections of the earth's crust that have been moved and placed over another rock formation, typically due to compressional forces.