Coursepack, p. 492 4. A manufacturer is designing a new jet engine part that is critical for keeping the engine going and the plane up in the air. The manufacturer is testing the part for strength and comparing it to the older, traditional part they used. If the new part is stronger than the old one traditionally used, the manufacturer will install it in their new jet engines. a. Describe the types of possible outcomes in the grid below. Be sure to use different words for "reality" and the "decision" portions. Label the errors as Type I or Type II. Ho New part is not stronger H. Do not Reject Ho Decision Reject Ho Actual Situation Ho True Ho False b. Which is worse in this case? (Circle the best choice.) Type | Error or Type II Error Explain. 5. In June 2020 (early days of the COVID pandemic), Johns Hopkins researchers released a study that in the U.S. there was about a 38% false negative rate for COVID tests. (Source) a. What does it mean for the COVID-19 test to give a false negative result? b. Why is a false negative result a problem? MAT 133: Ch. 10 Review WS p.2