The Arrector Pili Are Muscles That Cause the Hair Shaft

question 164

True/False

The arrector pili are muscles that cause the hair shaft to stand up.

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Definitions:

Expected Value

The long-run average value of repetitions of the experiment it represents, in probability and statistics.

Random Variable

A quantity whose numerical values emerge from unpredictable phenomena.

Discrete Random Variable

A variable that takes on a finite or countably infinite number of values, each with a quantifiable probability.

Employees

Individuals who work for another person or organization in return for compensation.