A manager at a large coffee shop chain store is under pressure to reduce the proportion of drive-through customers who wait more than 2 minutes to receive their drinks. Based on records at this location the proportion of customers who waits more than 2 minutes is 0.61. During a month the manager assigned an additional server to help with the drive-through window line. In a sample of 170 orders the proportion of people who waited more than 2 minutes was reduced to 0.59. (a) What type of a test be performed? Why? (b) State the null and alternative hypothesis and identify the claim. (c) Do the data give convincing evidence that the proportion of customers who wait more than 2 minutes have reduced significantly at alpha 10%? Use p-value method. (d) Interpret the P-value from your test to summarize your results in the context of the