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

Wierzycaz 2021-09-26 Answered

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

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

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

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Expert Answer

Brighton
Answered 2021-09-27 Author has 7945 answers
Formula: P(B) = (total number of boys) + (total)
Identify the variables:
Total number of boys = 270
Total = 600 P(B)=?
Substitute:
\(\displaystyle{P}{\left({B}\right)}=\frac{{270}}{{600}}=\frac{{9}}{{20}}\)
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The following two-way table displays information about favorite sports cars that resulted from a survey given to all students at Shore High School.

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

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