If X Is a Binomial Random Variable, Calculate σ2 for N

question 58

Multiple Choice

If x is a binomial random variable, calculate σ2 for n = 70 and p = 0.2.

• A) 11.2
• B) 14
• C) 3.347
• D) 2.8

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Definitions:

Sediment

Grains and other fragments that originate from the weathering and transport of rocks, and the unconsolidated deposits that result from the deposition of this material.

Transported

Refers to materials that have been moved from their original location to a new place by natural processes such as erosion or glaciation.

Metamorphic Rock

A type of rock formed through the alteration of pre-existing rocks in response to high heat, pressure, and chemically active fluids.

Deposition

The process by which sediments, soil, and rocks are added to a landform or land mass, often through the action of wind, ice, and water.