![subject](/tpl/images/cats/mat.png)
Mathematics, 16.10.2019 17:30 bponce06
The numbers of pages in the books in a library follow a normal distribution. the mean number of pages in a book is 150 with a standard deviation of 30. if the library has 500 books, how many of the book have less than than 180 pages
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 14:50
What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:50
Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
What is the radical expression that is equivalent to the expression 27 1 over 5?
Answers: 3
You know the right answer?
The numbers of pages in the books in a library follow a normal distribution. the mean number of page...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 21.10.2019 15:10
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fr.png)
French, 21.10.2019 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2019 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2019 15:10
![question](/tpl/images/cats/istoriya.png)
History, 21.10.2019 15:10
![question](/tpl/images/cats/istoriya.png)
History, 21.10.2019 15:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.10.2019 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2019 15:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.10.2019 15:10
![question](/tpl/images/cats/istoriya.png)
History, 21.10.2019 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 21.10.2019 15:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 21.10.2019 15:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.10.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)