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 μ = 21.00 mpg and a standard deviation of a = 3.25 mpg. (a) What is the standard error of X, the mean from a random sample of 16 fill-ups by one driver? (Round your answer to 4 decimal places.) Standard error of X (b) Within what interval would you expect the sample mean to fall, with 90 percent probability? (Round your answers to 4 decimal places.) The interval is from to
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 μ = 21.00 mpg and a standard deviation of a = 3.25 mpg. (a) What is the standard error of X, the mean from a random sample of 16 fill-ups by one driver? (Round your answer to 4 decimal places.) Standard error of X (b) Within what interval would you expect the sample mean to fall, with 90 percent probability? (Round your answers to 4 decimal places.) The interval is from to
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The highway fuel economy of a 2016 Lexus RX 350 fwd 6 cylinder 3.5l automatic 5 speed using premium fuel is a normally distributed random variable with a mean of u=21.00 mpg and a standard deviation of o=3.25. What is the standard error of c the mean from a random sample of 16 fillips by one driver?
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