Number of Motorcycles
the Probability Distribution of a Discrete Random

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)