Good credit: The Fair Isaac Corporation (FICO) credit score is used by banks and other lenders to determine whether someone is a good credit risk. Scores: range from 300 to 850, with a score of 720 or more indicating that a person is a very good credit risk. An economist wants to determine whether the mean FICO score is more than the cutoff of 720. She finds that a random sample of 110 people had a mean FICO score of 740 with a standard deviation of 97. Can the economist conclude that the mean FICO score is greater than 7207 Use the a 0.10 level of significance and the P-value method with the TI-84 Plus calculator. Part: 0/5 Part 1 of 5 (a) State the appropriate null and alternate hypotheses. He H DDDDD-0 This hypothesis test is a (Choose one) test x