Janet wanted to understand whether grade level had any relationship to their opinion on extending the school day. She surveyed some students and displayed the results in the table below:
In favor Opposed Undecided
Grade 9 4 2 8
Grade 10 7 11 8
Grade 11 14 15 9
Grade 12 11 5 10
Compare P(Grade 9 | opposed) with P(opposed | Grade 9).

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