Two-way Tables
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In the following two - way table
\begin{array}{|c|c|c|}
\hline & \text { Can swim } & \text { Cannot swim } \\
\hline \text { Boys } & 24 & 5 \\
\hline \text { Girls } & 16 & 3 \\
\hline
\end{array}
i) How many students are boys or girls who cannot swim?
ii) What is the probability that a student selected at random is a girl who can swim?
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