The Probability Distribution of a Random Variable Is Given Along $\begin{array}{r|rrrrr}\mathrm{x} & 4 & 5 & 6 & 7 & 8 \\\hline \mathrm{P}(\mathrm{X}=\mathrm{x}) & 0.1 & 0.3 & 0.45 & 0.1 & 0.05\end{array}$

question 3

Multiple Choice

The probability distribution of a random variable is given along with its mean and standard deviation. Draw aprobability histogram for the random variable; locate the mean and show one, two, and three standard deviationintervals.
- $\begin{array}{r|rrrrr}\mathrm{x} & 4 & 5 & 6 & 7 & 8 \\\hline \mathrm{P}(\mathrm{X}=\mathrm{x}) & 0.1 & 0.3 & 0.45 & 0.1 & 0.05\end{array}$

$$\mu = 5.7 , \sigma = 0.95$$

---

Definitions:

Ventricular Contraction

The process where the ventricles of the heart contract to pump blood out of the heart.

Arteries

Vessels that transport blood rich in oxygen from the heart to different areas of the body.

Constriction

The act of tightening or narrowing of a passage or opening in the body or any other structure.

Muscular Wall

Structure composed of muscle tissue that makes up part of the body's organs, such as the stomach or heart, enabling movement and function.