Thread: inclusion exclusion

4 couples are to be seated in a row, whats the probability that no man is sitting next to his wife.

im having trouble figuring out what the opposite is like i imagine im supposed to go
1-P(). im confused.

I see that you have over forty postings.
By now you should understand that this is not a homework service
So you need to either post some of your work on a problem or explain what you do not understand about the question.