Z Is a Standard Normal Random Variable

question 67

Multiple Choice

Z is a standard normal random variable. The P (1.41 < Z < 2.85) equals

• A)0.4978
• B)0.4207
• C)0.9185
• D)0.0771

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Definitions:

Methane

A colorless, odorless flammable gas that is the simplest member of the alkane hydrocarbons, with a chemical formula of CH4.

Coal Deposits

Coal Deposits are accumulations of coal found in the Earth’s crust, originating from the decayed plant material under high pressure and heat over millions of years, primarily used as a fossil fuel.

Uranium Deposits

Concentrations of uranium minerals within the earth's crust, typically exploitable for nuclear fuel.

Hydrothermal System

A circulation system where hot water and steam are produced by the heat from magma or the Earth's hot interior, often found near volcanic areas.