![subject](/tpl/images/cats/mat.png)
Mathematics, 22.07.2019 23:10 livy151515
Aprogrammer plans to develop a new software system. in planning for the operating system that he will​ use, he needs to estimate the percentage of computers that use a new operating system. how many computers must be surveyed in order to be 95% confident that his estimate is in error by no more than four percentage points question marks? assume that nothing is known about the percentage of computers with new operating systems.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:50
The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)
Answers: 1
You know the right answer?
Aprogrammer plans to develop a new software system. in planning for the operating system that he wil...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.07.2019 19:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.07.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 27.07.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.07.2019 19:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 27.07.2019 19:00
![question](/tpl/images/cats/ekonomika.png)
Business, 27.07.2019 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 27.07.2019 19:00