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A car company says that the mean gas mileage for its luxury sedan is at least 25 miles per gallon (mpg). You believe the
Posted: Mon Jul 11, 2022 11:29 am
by answerhappygod
- A Car Company Says That The Mean Gas Mileage For Its Luxury Sedan Is At Least 25 Miles Per Gallon Mpg You Believe The 1 (23.09 KiB) Viewed 25 times
A car
company says that the mean gas mileage for its luxury sedan is at least 25 miles per gallon (mpg). You believe the claim is incorrect and find that a random sample of 5 cars has a mean gas mileage of 24 mpg and a standard deviation of 4 mpg. At a = 0.10, test the
company's claim. Assume the population is normally distributed. Click here to view the t-distribution table. Click here to view page 1 of the normal table. Click here to view page 2 of the normal table. State the appropriate hypotheses to test. OA. H₂: μ#25 H₁₂:μ=25 O C. Ho: H =25 H₂:μ#25 What is the value of the standardized test statistic? The standardized test statistic is (…) (Round to two decimal places as needed.) (**Β. Η μ225 H₂: μ<25 O D. H₂: μ≤25 H₂ μ>25