Which of the Following Is Not a Discrete Random Variable

question 38

Multiple Choice

Which of the following is not a discrete random variable?

• A)The number of times a light changes red in a 10-minute cycle.
• B)The number of minutes required to run 1 mile.
• C)The number of defects in a sample selected from a population of 100 products.
• D)The number of criminals found in a five-mile radius of a neighborhood.

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Definitions:

Action Potential

A rapid and temporary electrical charge that passes along the membrane of a nerve or muscle cell, initiating activity.

Repolarization Phase

The stage of a heartbeat where heart muscle cells return to their resting electrical state, following depolarization.

Depolarization Phase

The stage in the action potential of a cell in which the cell membrane's charge becomes more positive compared to its resting state.

Action Potential

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane due to the flow of ions in and out of the neuron.