Compute the Standard Deviation Given These Four Economic States, Their

question 76

Multiple Choice

Compute the standard deviation given these four economic states, their likelihoods, and the potential returns: $$\begin{array} { | l | c | r | } \hline \begin{array} { l } \text { Economic } \\\text { State }\end{array} & \text { Probability } & \text { Return } \\\hline \text { Fast Growth } & 0.40 & 50 \% \\\hline \text { Slow Growth } & 0.40 & 10 \% \\\hline \text { Recession } & 0.10 & - 10 \% \\\hline \text { Depression } & 0.10 & - 5 \% \\\hline\end{array}$$

• A)6.71 percent
• B)22.5 percent
• C)23.37 percent
• D)52.20 percent

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Definitions:

Neurotransmitters

Chemicals found in the brain that transmit signals across a synapse from one neuron to another.

Brain Plasticity

The brain's ability to change and adapt as a result of experience by forming new neural connections.

Myelination

The process of forming a myelin sheath around a nerve to allow electrical signals to transmit quickly and efficiently across the nerve cells.

Fine Motor Skills

The coordination of small muscles, typically in the hands and fingers, allowing for precise movements such as writing, grasping, and manipulating objects.