Can someone help me solve this problem AND explain how they got answer- Thank you!

6.) 7 The following table shows the party afliation and member type for the 112th session of the US. Congress. Compute the following probabilities as exact fractions. Senator R-resentative Total Republican 47 Democrat 51 Ind - u endent a. What is the probability a randomly selected member of the 112til Congress is NOT a Democrat? .1. b. What is the probability that a randomly selected member of the 112th Congress is an Independent Representative? c. What is the probability that a randomly selected Republican is a Senator. d. What is the probability that a randomly selected member of the 112'h Congress is a Democrat, given that they are a Representative