2 ACME Cola wants to do a taste test between their diet soda and Diet Coke They want to know which is more popular Where p is the proportion who chose ACME Cola in a taste test From a random sample of 84 consumers 32 selected ACME Cola Determine if there is a significant difference in preference between the two colas at a 95 confidence level a 0 05 The null and alternative hypotheses Ho p 0 5 HA P 0 5 a Compute the test statistic z score b What is the p value for the test statistic