The Geophysical Theory That Earth Is Comprised of Large Geologic

question 79

Multiple Choice

The geophysical theory that Earth is comprised of large geologic platforms that move slowly across its surface is referred to as

• A)upthrust.
• B)fault lines.
• C)geologic movement.
• D)sea-floor spreading.
• E)plate tectonics.

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Definitions:

Expected Value

The anticipated value of a variable, calculated as the sum of all possible values each multiplied by the probability of its occurrence.

Variance

An indicator of the distance between values in a dataset, reflecting how much each value deviates from the average.

Random Variable

An entity whose outcomes are numerical and stem from a random process.

Discrete Random Variable

A discrete random variable is one that takes on countable values, often resulting from outcomes of a statistical experiment.