what equation would i used to solve this

A survey of randomly selected students was asked their main reason for choosing OUR University over other universities. The students' responses are shown in the following contingency table. Reason for choosing OUR University Student Reputation Tuition Total Canadian 90 30 120 International 60 20 80 Total 150 50 200 (a) Is there enough evidence to infer that the proportion of Canadian students whose main reason for choosing OUR University was 'Reputation' exceeded by more than 10% the proportion of International students whose main reason was the same? Assume that the level of significance is 1%