Match Each Term with the Correct Statement Below

question 23

Multiple Choice

Match each term with the correct statement below.
-Shell variables that are typically set by the system and contain information that the system and programs access regularly.

• A)hashpling
• B)tee
• C)environment variables
• D)stdin
• E)stderr
• F)decision construct
• G)shell scripts
• H)stdout
• I)file descriptors

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Definitions:

Discrete Random Variable

A variable that takes on countable values, each with a certain probability.

E(x)

The expected value of a random variable x, representing the mean or average outcome.

Variance

A measure of how much values in a dataset differ from the mean of the dataset, indicating the spread of data points.

Discrete Probability Distribution

A statistical function that describes the probability of occurrence of each value of a discrete random variable.