QUESTION A7 (5 marks) Given that a quality control inspector would like to test of his claim and has developed the following hypotheses. He gathered randomly a sample of 88 observations, and found that the sample proportion, is 0.60 Ho : p=0.55 H, : p> 0.55 Level 2 Asia Pacific University of Technology & Innovation AQ077-3-2-PSMOD Final Exam Page 2 of 10 (a) Find the value of test statistic. (3 marks) (b) Find the critical at o = 0.05. (2 marks)