x 181 8-3 Homework: Chapter 8 (Sectic x Question 3 - 8-3 Homework: Chi x + ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%2525%252Fnewconnect.mheducation.com%252F#/activity/q.. 8-3 Homework: Chapter 8 (Sections 8.1 through 8.5) i Saved Help Save & Che 3 The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normally distributed random variable with a mean of / = 23.50 mpg and a standard deviation of o = 2.50 mpg. 5 (a) What is the standard error of A , the mean from a random sample of 25 fill-ups by one driver? (Round your answer to 4 decimal points places.) Skipped Standard error of X Book Hint Ask Print References (b) Within what interval would you expect the sample mean to fall, with 98 percent probability? (Round your answers to 4 decimal places.) The interval is from to Prey. 3 of 10 Next > MS 63 F Clear ~ O Type here to search