![subject](/tpl/images/cats/mat.png)
Mathematics, 03.04.2020 21:38 RobbyO
As part of a national sleep survey, a random sample of adults was selected and surveyed about their physical activity and the number of hours they sleep each night. Of the 183 adults who exercised regularly (exercisers), 59 percent reported sleeping at least seven hours at night. Of the 88 adults who did not exercise regularly (non-exercisers), 52 percent reported sleeping at least seven hours at night. Which of the following is the most appropriate standard error for a conference interval for the difference in proportions of adults who sleep at least seven hours at night among exercisers and non-exercisers?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:10
Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?
Answers: 2
You know the right answer?
As part of a national sleep survey, a random sample of adults was selected and surveyed about their...
Questions
![question](/tpl/images/cats/en.png)
English, 27.08.2019 19:30
![question](/tpl/images/cats/ekonomika.png)
Business, 27.08.2019 19:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 19:30
![question](/tpl/images/cats/en.png)
English, 27.08.2019 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 19:30
![question](/tpl/images/cats/health.png)
Health, 27.08.2019 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 19:30
![question](/tpl/images/cats/istoriya.png)
History, 27.08.2019 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 27.08.2019 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 19:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 27.08.2019 19:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 27.08.2019 19:30
![question](/tpl/images/cats/biologiya.png)
Biology, 27.08.2019 19:30
![question](/tpl/images/cats/geografiya.png)
Geography, 27.08.2019 19:30