confidence-interaval

  1. Dr. Jayanthi Sankaran

    P1.T2.209 T - statistic and confidence interval

    Hi David, In the following question 209.1: 209.1 Nine (9) companies among a random sample of 60 companies defaulted. The companies were each in the same highly speculative credit rating category; statistically, they represent a random sample from the population of CCC-rated companies. The...
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