The Standard Deviation of a Standard Normal Distribution

question 63

Multiple Choice

The standard deviation of a standard normal distribution

• A) is always equal to zero.
• B) is always equal to one.
• C) can be any positive value.
• D) can be any value.

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Definitions:

Tag

In programming and automation, a label or identifier used to name a variable or element within a system.

Logic Continuity

Refers to the consistent and uninterrupted flow of logic in a control system or circuit, ensuring that operations proceed without logical breaks or errors.

Energize

To supply an electrical device or system with power or to activate a circuit, thereby enabling it to operate.

XIO Instruction

A programmable logic controller (PLC) instruction standing for "Examine if Open," used to check if a specific input or point in the circuit is off or not energized.