The Mean of a Normal Distribution Is 400 Pounds

question 121

Multiple Choice

The mean of a normal distribution is 400 pounds. The standard deviation is 10 pounds. What is the area between 415 pounds and the mean of 400 pounds?

• A) 0.5000
• B) 0.1932
• C) 0.4332
• D) 0.3413

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Definitions:

Subducted Plate

The portion of a tectonic plate that is forced below another plate into the Earth's mantle at a convergent boundary.

Oceanic Crust

The portion of the Earth's crust that underlies the ocean basins, composed predominantly of basalt and gabbro.

Lavas

Magma that has been expelled from a volcanic vent and has solidified on the Earth's surface.

Magmas

Molten rock material beneath or within the Earth's crust, from which igneous rock is formed through cooling and solidification.