question 13. A) Write the formula that should be used to compute the test statistics. Are the assumptions for using the formula met? B) Compute the test statistic and p-value. C) Based on the p-value computed, make decisions regarding the null and alternative hypothesis. level of significance = 0.02. D) Write the conclusion in real life language. level of significance = 0.02. E) What type of error could have not been made? (Type I, II, III, or IV error)

QUESTION 13 A certain change in a process for manufacturing components parts is being considered. Samples are taken under both existing and the new process so as to determine if the new process results in an improvement. It is found that 75 out of 1500 items from the existing process and 80 out of 2000 items from the new process are defective. Set up hypotheses if the researcher wants to test if the proportion of defective for the new process is lower than the proportion of defective for the existing process. Use subscript 1 for the existing process and 2 for the new process. Set up the hypotheses. Ho: P1 - P2 20 vs Ha: P1- P2 0 Ho: H1 - H20