A random selection of 1455 adults were asked whether upper-income people pay Opinion on Taxing Upper-Income People versus too much, too little, or their fair share of Political Party taxes. The table to the right compares Response Republican Democrat Total their responses and their political Fair share 230 113 343 affiliations. One person is randomly Too much 79 39 118 selected from the sample. Let F be the Too little 177 732 909 event that the person thinks upper-income Don't know 40 45 85 people pay their fair share of taxes. Let R Total 526 929 1455 be the event that the person is a Republican. Answer parts (a) to (d). a. Find P(F). P(F) = (Type an integer or decimal rounded to three decimal places as needed.) b. Find P(FIR). P(FIR) = (Type an integer or decimal rounded to three decimal places as needed.) c. Are the events F and R independent? Explain. Choose the correct answer below. O A. Events F and R are independent because P(F) # P(FIR). O B. Events F and R are not independent because P(F) = P(FIR). O C. Events F and R are independent because P(F) = P(FIR). O D. Events F and R are not independent because P(F) # P(FIR). d. Some people refused to respond to the survey. What type of bias is this? This is an example of bias