# What is the probability that a randomly selected student from this school is a boy?

The following two-way table displays information about favorite sports cars that resulted from a survey given to all students at Shore High School.

$$\begin{array}{|l|c|c|c|c|} \hline & \text { Corvette (C) } & \text { Porsche (P) } & \text { Ferrari (F) } & \text { Total } \\ \hline \text { Boys (B) } & 90 & 60 & 120 & 270 \\ \hline \text { Girls (G) } & 110 & 141 & 79 & 330 \\ \hline \text { Total } & 200 & 201 & 199 & 600 \\ \hline \end{array}$$

What is the probability that a randomly selected student from this school is a boy?

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estenutC
Formula: P(B)=(total number of boys) / (total)
Identify the variables: Total number of boys = 270
Total = 600 P(B)=?
Substitute: $$\displaystyle{P}{\left({B}\right)}=\frac{{270}}{{660}}=\frac{{9}}{{20}}$$