Question

At a home owners association meeting, a board member can vote yes, vote no, or abstain on a motion. There are three motions on which each board member must vote.

a) determine the number in the sample space
b) determine the probability that a board member votes yes on exactly one of the motions.
c) determine the probability that a board member votes yes on at least one motion.

I was able to figure out question a and b, but i cant seem to figure out question c.

Answer 1

c) is simply a complement question

P(Y on at least 1) = 1 - P(no on 3)

Answer 2

What was your answer for b) ?

Answer 3

@Armoni13 Are you there?