![subject](/tpl/images/cats/mat.png)
Mathematics, 09.11.2020 21:00 reekreek5
When Isabella runs the 400 meter dash, her finishing times are normally distributed with a mean of 77 seconds and a standard deviation of 0.5 seconds. Using the empirical rule, what percentage of races will her finishing time be between 76.5 and 77.5 seconds?
![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)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:30
Click on the graphic until you find the right quotient. (36xa - 30xb) รท (-6x2)
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
What is the image of c for a 90ยฐ counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
Answers: 1
You know the right answer?
When Isabella runs the 400 meter dash, her finishing times are normally distributed with a mean of 7...
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.09.2020 18:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
Engineering, 23.09.2020 18:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.09.2020 18:01
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 23.09.2020 18:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 23.09.2020 18:01
![question](/tpl/images/cats/mat.png)
Mathematics, 23.09.2020 18:01
![question](/tpl/images/cats/fizika.png)
Physics, 23.09.2020 18:01
![question](/tpl/images/cats/mat.png)