![subject](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 16:20 jeanieb
A tire manufacturer advertises that their brand of radial tires has a mean life of 40,000 miles with a population standard deviation of 1,500 miles. A consumer research team decides to investigate this claim after receiving several complaints from people who believe the advertisement is false and that the mean life of 40,000 miles is too high. The research team tests 100 of these radial tires and obtains a sample mean tire life of 39,750 miles. Is the advertisement legitimate
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:50
What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1
Answers: 2
You know the right answer?
A tire manufacturer advertises that their brand of radial tires has a mean life of 40,000 miles with...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 16.10.2019 09:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.10.2019 09:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 16.10.2019 09:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.10.2019 09:50
![question](/tpl/images/cats/mat.png)
Mathematics, 16.10.2019 09:50
![question](/tpl/images/cats/mat.png)
Mathematics, 16.10.2019 09:50
![question](/tpl/images/cats/ekonomika.png)
Business, 16.10.2019 09:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.10.2019 09:50
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 16.10.2019 09:50