The highway fuel economy of a 2016 Toyota 4Runner 2WD 6-cylinder 4-L automatic 5-speed using regular gas
Fantastic news! We've Found the answer you've been seeking!
Question:
The highway fuel economy of a 2016 Toyota 4Runner 2WD 6-cylinder 4-L automatic 5-speed using regular gas is a normally distributed random variable 17 mpg to 22 mpg (a) Estimate the standard deviation using Method 3(the empirical Rule for a normal distubution) from table 8.8 (b.) What sample size is needed to estimate the mean with 90 percent confidence and an error of +- 0.25 mpg
Posted Date: