R Quizzes - QMS210 011 - Applie X Course Hero X + > C a courses.ryerson.ca/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=682825&isprv=&drc=0&qi=332796&cfql=0&dnb=0&fromQB=0 F22 - QMS210 - Test 2 X Time Limit: 1:30:00 Time Left:1:27:54 Mohammad Fawaz Iqbal: Attempt 1 Page 1: Use this scenario for the following 3 questions 1 2 3 The results of a study conducted as a part of a yield-improvement effort at a semiconductor manufacturing plant provided defect data for a sample of 400 wafers. 4 5 6 The following contingency table Quality of Wafers 8 9 Particles Good Bad Totals Yes 14 36 50 270 80 350 10 11 12 Totals 284 116 400 presents a summary of the responses to two questions: "Was a particle found on the 13 14 15 die that produced the wafer?" and "Is the wafer good or bad?" Question 4 (1 point) 16 17 BT What test would you use if you wanted to test if there is evidence of a significant difference between the proportion of good and bad wafers that have particles? 19 20 21 OZ - test for the difference between two proportions 22 23 24 Ox2-test of independence O Either X2- test or Z - test for the difference between two proportionsR Quizzes - QMS210 011 - Applie X Course Hero X + > C a courses.ryerson.ca/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=682825&isprv=&drc=0&qi=332796&cfql=0&dnb=0&fromQB=0 F22 - QMS210 - Test 2 X Time Limit: 1:30:00 Time Left:1:27:35 Mohammad Fawaz Iqbal: Attempt 1 Page 1: Op-value = 0.016, Reject Ho 1 2 3 Op-value = 0.033, Reject Ho 4 5 6 Question 6 (1 point) 8 9 The Left end point of the 99% confidence interval estimate of the difference between the population proportion of good and bad wafers that contain particles is 10 11 12 (round your answer to four decimal places) 13 14 15 16 17 18 Use this scenario for the following 2 questions 19 20 21 A researcher has found that Z STAT = 3 in a two-tail Z-Test for the mean. 22 23 24 Question 7 (1 point) What is the p-value for this test? Round your answer to four decimal places