Alexis 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:

Question

anonymous · Answer

Compare P(Grade 10 | opposed) with P(opposed | Grade 10).

anonymous · Answer

In favor	Opposed	Undecided
Grade 9	6	             4	             10
Grade 10	9	             13	     10
Grade 11	16	             17	     11
Grade 12	13      	       7	     12

anonymous · Answer

@SolomonZelman