Question 3

- CA https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnew... 18 8-3 Homework Chapter 8 (Sections 8 4 through 8.6) Saved Help Save & Exit Submit Check my work 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 / = 20.00 mpg and a standard deviation of o = 200 mpg. 5 (a) What is the standard error of points X the mean from a random sample of 36 fill-ups by one driver? (Round your answer to 4 decimal places.) eBook Standard error of Ask X Print References (b) Within what interval would you expect the sample mean to fall, with 99 percent probability? (Round your answers to 4 decimal places.) The interval is from to