The Table Shows Crashworthiness Ratings for Several Categories of Motor

Short Answer

The table shows crashworthiness ratings for several categories of motor vehicles. Take X as the crash-test rating of a small car, ​Y as the crash-test rating for a small SUV, and so on, as shown in the table. $\begin{array}{l|l|l|l|l|l}\hline&&\text { Overall Frontal Crash Test Rating }\\\hline & \text { Number Tested } & \begin{array}{l}\mathbf{3} \\(\text { Good) }\end{array} & \begin{array}{l}\mathbf{2} \\\text { (Acceptable) }\end{array} & \begin{array}{l}\mathbf{1} \\\text { (Marginal) }\end{array} & \begin{array}{l}\text { (Poor) }\end{array} \\\hline \text { Small Cars } \boldsymbol{X} & 16 & 1 & 11 & 2 & 2 \\\hline \text { Small SUVs } \boldsymbol{Y} & 12 & 2 & 4 & 4 & 2 \\\hline \text { Medium SUVs } \boldsymbol{Z} & 15 & 3 & 5 & 3 & 4 \\\hline \text { Passenger Vans } \boldsymbol{U} & 13 & 3 & 0 & 3 & 7 \\\hline \text { Midsize Cars } V & 15 & 3 & 5 & 0 & 7 \\\hline \text { Large Cars } W & 19 & 9 & 5 & 3 & 2\\\hline\end{array}$ ​
Find the category that has the lowest probability of a Good rating.