A survey of 200 union members in New York State reveals that 75 favor the Republican candidate for governor. Using the steps below, construct the 90% confidence interval for the true population proportion of all New York State union members who favor the Republican candidate. a) Find the critical value Za/2 that corresponds to a 90% confidence level. b) Find the sample proportion of union member who favor the Republican candidate. c) Calculate "E"

d) Construct your confidence interval. e) Write a sentence that explains the meaning of the confidence interval. I am 90% confident that...