The Reason Z Scores May Be Used to Calculate Probabilities

question 44

Multiple Choice

The reason z scores may be used to calculate probabilities is that

• A) frequencies are easily converted into probabilities
• B) all z scores are independent of each other
• C) all z scores are included within a standard deviation unit (plus or minus) of the mean
• D) all z scores are included within 2 standard deviation units (plus or minus)

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Definitions:

Pressure Reduction

The process of lowering the pressure in a system, often used in fluid or gas applications to manage flow and prevent damage.

Hydraulic Circuit

A system using pressurized fluid to power devices, often consisting of pumps, pipes, valves, and actuators.

Laminar Flow

Streamlined flow through a hydraulic circuit. A hydraulic circuit should be designed to minimize friction caused by sharp angles and internal obstructions.

Hydrodynamics

The branch of physics that deals with the motion of fluids, particularly water, and the forces acting on them.