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Question One: 100 people were randomly selected from each of two cities and tested for blood type with results provided in the tables below Blood Type in City 1 Let 6A, BB, 30, and 3A3 be the proportions of people with blood type A, B, O, and AB respectively. a) Make inference {Posterior Mean and 95% credible interval} about 30 in each city b} Let :1: be the proportions of people with blood type A out of those who have blood type A, B, and AB in city 1. Let :12 be the proportions of people with blood type A out of those who have blood type A, B, and AB in city 2. Make inference {Posterior Mean and 95% credible interval) about as. (11