QUESTION 3 What is the probability that a randomly selected company was awarded a credit rating of either A or C? O a- 0.27 O b- 0.61 O C. 0.66 O d-0.73 QUESTION 4 A company was randomly selected and found to be profitable in the last fiscal year. Given this information, what is the probability that the company had a credit rating of C? O a- 0.256 O b- 0.250 O C. 0.137 O d- 0.233 QUESTION 5 Of the 600 companies surveyed, how many must have been unprofitable in order to arrive at the probabilities listed in the table above? O a- 132 O b- 162 O C. 396 d- 120Six hundred companies whose stocks are traded on the London Stock Exchange were researched. Each company was given a credit rating of either A, B or C. Also, each company was classified based on whether or not it was profitable in the last fiscal year. Based on the relative frequencies of the data, the following probability table was constructed. Use this table to answer Questions 1 to 5. Credit rating A Unprofitable B 0.04 C Total Profitable 0.09 0.3: 0.07 Total x 0.20 0.39 0.20 0.34 0.80 0.27