Hyram Drant, a research analyst for the city fire department, suspects that old water pumps are more likely to fail. From the data in the accompanying table, construct a contingency table and check Drant€™s suspicion. How else could this problem be analyzed?

Transcribed Image Text:

Age of Pump in Years Pump Did Not Fail Pump Failed 15 19 36 47 31 53 26 26 17 42 5 12 31 46 15 37