Number of Motorcycles
the Probability Distribution of a Discrete Random

question 189

Essay

Number of Motorcycles
The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family.
$$\begin{array} { | c | c c c c | } \hline \boldsymbol { x } &0 & 1 & 2 & 3 \\\hline \boldsymbol { p } ( \boldsymbol { x } ) & 0.25 & 0.40 & 0.20 & 0.15 \\\hline\end{array}$$
-{Number of Motorcycles Narrative} Find the following probabilities:
a.
P(X > 1)
b.
P(X $\le$ 2)
c.
P(1 $\le$ X $\le$ 2)
d.
P(0 < X < 1)
e.
P(1 $\le$ X < 3)

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Definitions:

Auditory Ossicles

The three small bones in the middle ear that are critical in transmitting sound vibrations to the inner ear.

Axial

Relating to the central part of the body, which includes the head, neck, and trunk.

Intervertebral Disk

A fibrocartilaginous disc situated between adjacent vertebrae in the vertebral column, acting as a shock absorber and allowing movement.

Thoracic Region

The part of the body including the chest, between the neck and the abdomen, containing the thoracic vertebrae and ribs.