Using it's concept, the relative frequency for people who can only see the sunset is: 12/38.
A relative frequency is given by the number of desired outcomes divided by the number of total outcomes.
From the two-way frequency table, we have that there are 38 people, out of which 12 can see the sunset but not the sunrise, hence the relative frequency for people who can only see the sunset is: 12/38.
More can be learned about relative frequencies at https://brainly.com/question/23359601
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