Question
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
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 = 26.75 mpg and a standard deviation of = 3.50 mpg. (a) What is the standard error of XX , the mean from a random sample of 36 fill-ups by one driver?
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Microeconomics
Authors: Austan Goolsbee, Steven Levitt, Chad Syverson
1st Edition
978-1464146978, 1464146977
