Page 1 of 1
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 11:39 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 (24.29 KiB) Viewed 32 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. UA. M₂: μ725 H₂:μ=25 OC. Ho: μ = 25 H₂: μ#25 What is the value of the standardized test statistic? B. Ho: μ²25 H₂: μ<25 O D. H₂: μ≤25 H₂:μ>25 The standardized test statistic is -0.56. (Round to two decimal places as needed.) What is the critical value? The critical value is (Round to three decimal places as needed.)