Federal regulators want to use a 95% confidence interval to estimate the true difference in the delinquency rates for two types of loan: conventional home loans and home loans insured by the Federal Housing Administration. Based on data obtained from a random sample, their confidence interval is (0.032, 0.048). Which of the following is the best way to report this confidence interval? (Assume the requirements for this confidence interval are met.)
a) The difference in delinquency rates is between 0.032 and 0.048.
b) There is a 95% chance that the true difference in delinquency rates is between 0.032 and 0.048.
c) The delinquency rates for conventional home loans are 0.032 to 0.048 higher than those for FHA-insured home loans.
d) Both a and c are correct.

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