Jamey wanted to understand whether students at her school were in favor of an extended school day. She surveyed some students and displayed the results in the table below: In favor Opposed Undecided Grade 9 5 3 9 Grade 10 8 12 9 Grade 11 15 16 10 Grade 12 12 6 11 If the principal randomly selects a student in grade 9 from this survey, what is the probability that the student is in favor of extending the school day?
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