Refer to the results that Table 4.5 shows for model (4.5) fitted to the data from the AZT and AIDS study in Table 4.4. a. For black veterans without immediate AZT use, use the prediction equation to...

Refer to the results that Table 4.5 shows for model (4.5) fitted to the data from the AZT and AIDS study in Table 4.4.

a. For black veterans without immediate AZT use, use the prediction equation to estimate the probability of AIDS symptoms.

b. Construct a 95% confidence interval for the conditional odds ratio between AZT use and the development of symptoms.

c. Describe and test for the effect of race in this model.