A) 1075
B) 9

question 91

Multiple Choice

$$\begin{array}{l}\text { Compute the mean of the random variable with the given discrete probability distribution. }\\\begin{array} { c c } \hline x & P ( x ) \\\hline 0 & 0.45 \\15 & 0.05 \\20 & 0.5 \\30 & 0 \\\hline\end{array}\end{array}$$

• A) 10.75
• B) 9.8
• C) 95.7
• D) 16.25

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Definitions:

Resting Potential

The electrical charge of a neuron when it is not active, providing the cell with a ready state from which it can activate.

Reuptake

A process by which neurotransmitters are absorbed back into the nerve cell after being released into the synaptic cleft.

Polarization

A process by which differences between opposing viewpoints or factions become more extreme, leading to increased conflict and division.

Sympathetic Nervous System

Part of the autonomic nervous system that activates the body's "fight or flight" response during stress.