A Normal Distribution Has μ = 20 and σ =

question 78

Multiple Choice

A normal distribution has μ = 20 and σ = 4.What is the probability of randomly selecting a score greater than 25 from this distribution?

• A)0.3944
• B)0.1056
• C)0.8944
• D)0.7888

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Definitions:

Biogeochemical Cycle

A nutrient moves among environmental reservoirs and into and out of food webs.

Earth's Sediments

Particles of organic or inorganic material that have been transported and deposited by wind, water, or ice, forming layers on the Earth's surface.

Biological Components

Essential elements, structures, or molecules that are part of or necessary for the living organisms' life cycles and processes.

Phosphorus

A chemical element, essential for life, involved in many cellular processes, including energy transfer and the structure of DNA and RNA.