A tech company wishes to study the number of production facilities that rely on new technologies, like3D printers. Let the mean number of 3D printers used in a facilitybe?

. Ifthe tech company wantsto know if the number of 3D printers is, on average, less than9

3D printers per facility,what are the null and alternative hypotheses?

Bb 9.1.2 Basics of hypothesis testing X + X C D https://frederick.blackboard.com/webapps/blackboard/content/contentWrapper.jsp?content_id=_6463211_1&displayName=9.1.2+B... @ G S * ... Stefanie Gerhart 3 7 0 Frederick Community College FCC Online My Courses Tutoring & Library Community Resources WEEK 5 > 9.1.2 Basics of hypothesis testing X Question A tech company wishes to study the number of production facilities that rely on new technologies, like 3D printers. Let the mean number of 3D printers used in a facility be u. If the tech company wants to know if the number of 3D printers is, on average, less than 9 3D printers per facility, what are the null and alternative hypotheses? Select the correct answer below: O Ho: 1 = 9; Hail # 9 O Ho: M = 9; Ha: H > 9 O Ho: M