Placebo group Vaccine group Infected Participants Infected Participants All patients 185 14,073 11 14,134 White 144 8.916 10 9.023 Communities of color 41 5,132 5,088 Analyze all patients in the vaccine group (i.e., 11/14134). Assuming a uniform prior for the infection probability in the vaccine group (theta_vaccine), compute a posterior mean and 95% credible interval for the infection probability in the vaccine group