Mathematics
Mathematics, 05.12.2019 18:31, jadahilbun01

Acar manufacturer claims that the company's newest model has a peak power of exactly 329 horsepower. katherine is a reporter for an automotive magazine. she is testing the manufacturer's claim and says that the population mean peak power is less than the advertised amount. she measures the peak horsepower of 42 randomly selected cars of the new model. the sample mean is 327.74 horsepower with a standard deviation of 2.41 horsepower. should katherine reject or fail to reject the null hypothesis given the sample data below? • h = 329 versus h: < 329 • a=0.05 (significance level) .te-3.39 with 41 degrees of freedom . p-value< 0.005select the correct answer below: a. reject the null hypothesis because p-value < 0.005 is less than the significance level a = 0.05. b. reject the null hypothesis because -3.39 < 0.05. c. fail to reject the null hypothesis because p-value < 0.005 is less than the significance level a 0,05

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:40, AM28
Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?
Answers: 1
image
Mathematics, 21.06.2019 18:00, sweetbri7p5v6tn
Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?
Answers: 1
image
Mathematics, 21.06.2019 21:50, genyjoannerubiera
Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x
Answers: 1
image
Mathematics, 22.06.2019 01:00, emilylittle2442
Tobias gold sells computers at the office center he's guaranteed a minimum salary of $1,959 per month plus 6.3% commission on total sales how much in total sales is he
Answers: 1
Do you know the correct answer?
Acar manufacturer claims that the company's newest model has a peak power of exactly 329 horsepower....

Questions in other subjects:

Konu
Mathematics, 29.10.2020 07:50
Konu
Mathematics, 29.10.2020 07:50