ineducation.com/ext/map/index.html?_con=con&external_browser=0&launchUri=https%253A%252F%%252Fnewconnect.mheducation.com252F#/ac york: Chapter 8 (Sections 8.1 through 8.5) @ Saved Help 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 / = 25.50 mpg and a standard deviation of o = 2.25 mpg. (a) What is the standard error of X , the mean from a random sample of 25 fill-ups by one driver? (Round your answer to 4 decimal places.) Standard error of X 1.6448 (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 0.0100 to 2.3300 ices MacBook Ain