# Home » StudentsB 8-1 Final Exam MAT-133-X3 XE 8-1 Final ExamO A https://newconnect.mheducation.com/flow/connect.html8-3 Homework: Chapter 8 (Sect X110%...rk: Chapter 8 (Sections 8.4 throug.. iSavedHelpSave & ExitSubmltCheck my workThe highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normallydistributed random variable with a mean of u = 25.25 mpg and a standard deviation of o =2.00 mpg.(a) What is the standard error of X , the mean from a random sample of 9 fill-ups by one driver? (Round your answer to 4 decimalplaces.)Standard error of X(b) Within what interval would you expect the sample mean to fall, with 95 percent probability? (Round your answers to 4 decimalplaces.)The interval is fromto3 of 10 ENext >7:51 PMPrev3/1/2020

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