Acme, Inc. makes aluminum castings for electric vehicles, but a recent surge in demand has forced Acme to outsource some production. The Operations Manager wants to know if the average diameter of the outsource supplier's castings is less than the specification of 90.85mm. A sample of 75 castings from the outsource supplier has a mean of 90.73mm. Which is the appropriate hypothesis pair? A. H0: >= 90.73, H1: < 90.73 B. H0: <= 90.73, H1: > 90.73 C. H0: <= 90.85, H1: > 90.85 D. H0: >= 90.85, H1: < 90.85 E. H0: >= 75, H1: < 75 F. None of the options Group of answer choices a. A b. B c. C d. D e. E f. F