Determine Whether the Number Line Represents a Discrete Random Variable

question 101

Multiple Choice

Determine whether the number line represents a discrete random variable or a continuous random variable. Explain your reasoning.
The length of time college students study each week

• A)Continuous; Time is a random variable that must be measured.
• B)Discrete; Time is a random variable that is countable.

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Definitions:

Calcium Crystals

Mineral deposits found in various tissues of the body, often in bones and teeth, contributing to their hardness.

Silica Crystals

Rigid, crystalline structures made of silicon dioxide (SiO2), found in nature as quartz and used industrially and scientifically for various applications.

Spicules

Small, spike-shaped structures found in certain animals like sponges, serving as a skeletal element.

Radial Symmetry

Body plan in which similar parts are arranged around a central axis, like spokes of a wheel.