An Experiment Consists of Measuring the Speed of Automobiles on a Highway

question 89

Multiple Choice

An experiment consists of measuring the speed of automobiles on a highway by the use of radar equipment. The random variable in this experiment is speed, measured in miles per hour. This random variable is a _____ random variable.

• A) nominal
• B) ordinal
• C) discrete
• D) continuous

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Definitions:

Plasma Membrane

A semi-permeable membrane that surrounds the cell, controlling the entry and exit of substances, thus maintaining the cell's integrity.

Immune System

A complex network of cells, tissues, and organs that work together to defend the body against infections and maintain overall health.

Endoplasmic Reticulum

Double-walled membranous network inside the cytoplasm; rough has ribosomes attached to the surface; smooth does not have ribosomes attached.

Cell Metabolism

The complex set of chemical reactions that occur within a cell to maintain life, involving the breakdown of molecules to generate energy and the synthesis of all compounds necessary for cell structure and function.