In the Most Recent Election,19 Percent of All Eligible College

question 49

Multiple Choice

In the most recent election,19 percent of all eligible college students voted.If a random sample of 20 students were surveyed,find the probability that exactly half voted in the election.

• A) .0000
• B) .0014
• C) .0148
• D) .4997

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Definitions:

All-or-none

A principle that states certain processes, like nerve impulse conduction, occur fully or not at all.

Action Potential

A temporary reversal of the electrical polarization of the membrane of a nerve cell, allowing it to transmit an impulse.

Synaptic Gap

The tiny space between neurons through which neurotransmitters move to carry signals from one neuron to the next.

Chemical Diffusion

The process by which molecules move from an area of higher concentration to one of lower concentration, driven by random particle movements.