A Randomly Selected Value from a Normal Distribution Is Found

question 50

Multiple Choice

A randomly selected value from a normal distribution is found to be 2.1 standard deviations above its mean.What is the probability that a randomly selected value from the distribution will be less than 2.1 standard deviations from the mean?

• A)0.9488
• B)0.9821
• C)0.9976
• D)0.9712

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Definitions:

Net Energy

The amount of usable energy available from a resource after subtracting the energy expended to obtain, process, and distribute that resource.

Coal Burning Installation

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Quantities of extractable oil from the earth, estimated based on geological and engineering data, indicating potential resources for future exploitation.

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A weapon of mass destruction that releases its destructive energy through nuclear reactions of fission or fusion, causing significant devastation and loss of life.