The following two-way table shows the data for the students of two different grades in a school based on the relative row frequency, the students of which grade are more likely to be members of the school band?​

the grade 8 students are more likely to be members of the school band.

correct answer:

i^31 = -i

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^