Calculate the Standard Deviation of X for the Probability Distribution $$\begin{array} { | c | c | c | c | c | } \hline x & 1 & 2 & 3 & 4 \\\hline P ( X = x ) & 0.1 & 0.4 & 0.2 & 0.3 \\\hline\end{array}$$

question 72

Short Answer

Calculate the standard deviation of X for the probability distribution. Round your answer to the whole number. $$\begin{array} { | c | c | c | c | c | } \hline x & 1 & 2 & 3 & 4 \\\hline P ( X = x ) & 0.1 & 0.4 & 0.2 & 0.3 \\\hline\end{array}$$ ​ $$\sigma =$$ __________

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Definitions:

Dizzy

The sensation of spinning or losing one's balance, which may be caused by issues within the inner ear, brain, or sensory nerve pathways.

Falls Over

An incident or occurrence of losing one's balance and collapsing to the ground, potentially leading to injury.

Spinal Nerve

One of the nerves that stem from the spinal cord, responsible for transmitting signals between the body and the spinal cord.

Dermatome

An area of skin supplied by sensory nerves stemming from a single spinal nerve root, important in defining patterns of sensation and diagnosing nerve or spinal cord injuries.