![subject](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 21:32 randkphillipsp5v56r
A random sample of 25 round trip flights between Philadelphia and Dallas has an average airfare of 393.50 with a sample Standard Deviation of $50.30. The critical value for an 80% confidence interval around this sample mean
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:30
Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:10
Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
A random sample of 25 round trip flights between Philadelphia and Dallas has an average airfare of 3...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 20.03.2021 03:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 20.03.2021 03:30
![question](/tpl/images/cats/mat.png)
Mathematics, 20.03.2021 03:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.03.2021 03:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.03.2021 03:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 20.03.2021 03:40
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.03.2021 03:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mkx.png)
Arts, 20.03.2021 03:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.03.2021 03:40
![question](/tpl/images/cats/istoriya.png)
History, 20.03.2021 03:40