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

question 52

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

• A)discrete random variable
• B)continuous random variable
• C)complex random variable
• D)None of these alternatives is correct.

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Definitions:

Crustaceans

A diverse group of aquatic animals that have a hard exoskeleton, including species such as crabs, lobsters, and shrimps.

Mollusks

A large and diverse phylum of invertebrates that includes snails, slugs, oysters, and octopuses, with a soft body and, frequently, a calcium carbonate shell.

Notochord

A flexible rod made out of a material similar to cartilage that provides support in the embryonic stages of all chordates and some adult animals.

Phylum

A major category in the classification of living organisms, ranking above class and below kingdom.