![subject](/tpl/images/cats/mat.png)
Mathematics, 08.12.2020 20:10 Haven263
The Malthouse Charity Run is a 5 kilometre race. The time taken for each runner to complete the race was recorded. The data was found to be normally distributed with a mean time
of 28 minutes and a standard deviation of 5 minutes.
A runner who completed the race is chosen at random.
Write down the probability that the runner completed the race in more than 28 minutes.
3b. [2 marks]
Calculate the probability that the runner completed the race in less than 26 minutes.
3c. [3 marks]
It is known that 20% of the runners took more than 28 minutes and less than minutes to complete the race.
Find the value of .
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30, ciannajustine
Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.
Answers: 2
You know the right answer?
The Malthouse Charity Run is a 5 kilometre race. The time taken for each runner to complete the race...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/pravo.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 20.11.2020 21:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.11.2020 21:30
![Konu](/tpl/images/cats/istoriya.png)
History, 20.11.2020 21:30
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/fr.png)
![Konu](/tpl/images/cats/en.png)