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QUESTION 1 Six hundred companies whose stocks are traded on the London Stock Exchange were researched. Each company was given a credit rating of either
QUESTION 1 Six 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 Total A B C Unprofitable 0.04 0.09 0.07 0.20 Profitable 0.35 X 0.20 0.80 Total 0.39 0.34 0.27 What is the probability that a randomly selected company was profitable in the last fiscal year? O a. 0.27 O b. 0.78 O C. 0.17 O d. 0.80 QUESTION 2 What is the probability that a randomly selected company was profitable in the last fiscal year AND rated B? O a. 0.34 O b. 0.25 O C. 0.38 O d. 0.23
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