![subject](/tpl/images/cats/mat.png)
Mathematics, 01.08.2020 01:01 castellon67
The amount of time to complete a physical activity in a PE class is approximately normally normally distributed with a mean of 32.9 seconds and a standard deviation of 6.4 seconds.
A) What is the probability that a randomly chosen student completes the activity in less than 33.2 seconds?
B) What is the probability that a randomly chosen student completes the activity in more than 46.6 seconds?
C) What proportion of students take between 35.5 and 42.8 seconds to complete the activity?
D) 75% of all students finish the activity in less thanseconds.
![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 23:30
In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
The amount of time to complete a physical activity in a PE class is approximately normally normally...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 29.07.2019 17:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.07.2019 17:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 29.07.2019 17:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 29.07.2019 17:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.07.2019 17:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
English, 29.07.2019 17:00
![question](/tpl/images/cats/en.png)
English, 29.07.2019 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.07.2019 17:00
![question](/tpl/images/cats/istoriya.png)
History, 29.07.2019 17:00
![question](/tpl/images/cats/en.png)
English, 29.07.2019 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.07.2019 17:00
![question](/tpl/images/cats/fizika.png)