![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 07:00, zariyastanfield4452
Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is 24 hours and the standard deviation is 2.9. what is the margin of error, assuming a 90% confidence level? round your answer to the nearest tenth. 0.01
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30, Prolearner1234
For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3
Answers: 2
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00, venancialee8805
The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length
Answers: 2
Do you know the correct answer?
Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is...
Questions in other subjects:
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.02.2020 19:15
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 24.02.2020 19:15
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/User.png)