From the table,
The total number of students = 32
The number of 11-year-old students who prefer ice skating = 9
The probability is,
[tex]\begin{gathered} =\frac{9}{13} \\ =0\cdot6923 \end{gathered}[/tex]
The number of 12-year-old students who prefer ice skating = 9
The probability is,
[tex]\begin{gathered} =\frac{9}{19} \\ =0\cdot4736 \end{gathered}[/tex]
The number of 11-year-old students who prefer Roller skating = 4
The probability is,
[tex]\begin{gathered} =\frac{4}{13} \\ =0\cdot3076 \end{gathered}[/tex]
The number of 12-year-old students who prefer Roller skating = 10
The probability is,
[tex]\begin{gathered} =\frac{10}{19} \\ =0\cdot5263 \end{gathered}[/tex]
From this probabilities
we get,
The 11 and 12-year-old students more likely to prefer ice skating