We are given a table with data of 67 members of the US Senate in June 2012 and their affiliated political party and when they are up for reelection. Up for re-election: Democratic Party 20 10 November 2014 Republican Party 13 24 Other 0 November 2016 0 1. What is the probability that a randomly selected senator is up for reelection in November 2016? 2. What is the probability that a randomly selected senator is a Republican or is up for reelection in November 2014? 3. Suppose that a member of the US Senate is randomly selected. What is the probability that the senator is up for reelection in November 2014, knowing that this senator is a Republican?

Please check #22, my answer is though I only guess. If you could explain it to me on how to solve it.. thank you.

Solve. X= x+3 6 X-3 7 = -8

Can you help me solve #5