![subject](/tpl/images/cats/mat.png)
Mathematics, 27.03.2020 00:26 johnmarston60
A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield, Connecticut, revealed the length of the calls, in minutes, follows the normal probability distribution. The mean length of time per call was 4.2 minutes and the standard deviation was 0.40 minutes. What is the probability that calls last between 4.2 and 4.9 minutes
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:40
The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =
Answers: 2
You know the right answer?
A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield,...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 19.04.2021 05:30
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 05:30
![question](/tpl/images/cats/mkx.png)
Arts, 19.04.2021 05:30
![question](/tpl/images/cats/istoriya.png)
History, 19.04.2021 05:30
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 05:30
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 05:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
History, 19.04.2021 05:30
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 05:30
![question](/tpl/images/cats/mkx.png)
Arts, 19.04.2021 05:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 19.04.2021 05:30
![question](/tpl/images/cats/en.png)
English, 19.04.2021 05:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 19.04.2021 05:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 19.04.2021 05:30