Previous Problem Problem List Next Problem Entered Answer Preview Resuit MUNOT 77 correct 10.2036 YES At...

Transcribed Image Text:

Previous Problem Problem List Next Problem Entered Answer Preview Resuit MUNOT <7 MUNOT <7 incorrect MU>77 MU>77 correct 10.2036 YES At least one of the answers above is NOT correct. 10.2036 correct YES correct Lois thinks that people living in a rural environment have a healthier lifestyle than other people. She believes the average lifespan in the USA is 77 years. A random sample of 10 obituaries from newspapers from rural towns in Idaho give = 81.84 and 8 = 1.5. Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years? (a) State the null and alternative hypotheses: (Type "mu" for the symbol , e.g. mu >1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1) Ho: Ha Mu>77 (b) Find the test statistic, t = 10.20362 (c) Answer the question: Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years? (Use a 10% level of significance) (Type: Yes or No) Yes Previous Problem Problem List Next Problem Entered Answer Preview Resuit MUNOT <7 MUNOT <7 incorrect MU>77 MU>77 correct 10.2036 YES At least one of the answers above is NOT correct. 10.2036 correct YES correct Lois thinks that people living in a rural environment have a healthier lifestyle than other people. She believes the average lifespan in the USA is 77 years. A random sample of 10 obituaries from newspapers from rural towns in Idaho give = 81.84 and 8 = 1.5. Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years? (a) State the null and alternative hypotheses: (Type "mu" for the symbol , e.g. mu >1 for the mean is greater than 1, mu < 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1) Ho: Ha Mu>77 (b) Find the test statistic, t = 10.20362 (c) Answer the question: Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years? (Use a 10% level of significance) (Type: Yes or No) Yes