![subject](/tpl/images/cats/mat.png)
Mathematics, 07.08.2019 05:20 jashaikamatuteowwp1p
The times for the mile run of a large group of male college students are approximately normal with mean 7.09 minutes and standard deviation 0.77 minutes. use the 68-95-99.7 rule to answer the following questions. (start by making a sketch of the density curve you can use to mark areas on.) (a) what range of times covers the middle 68% of this distribution? (b) what percent of these men run a mile in more than 9.4 minutes? (a) from 6.32 minutes to 7.86 minutes (b) 13 %
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 15:10
Aline on the wall and a line on the floor are skew. always, sometimes, or never?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00
Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account
Answers: 2
You know the right answer?
The times for the mile run of a large group of male college students are approximately normal with m...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2019 18:10
![question](/tpl/images/cats/istoriya.png)
History, 14.09.2019 18:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.09.2019 18:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2019 18:10
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.09.2019 18:10
![question](/tpl/images/cats/ekonomika.png)
Business, 14.09.2019 18:10
![question](/tpl/images/cats/ekonomika.png)
Business, 14.09.2019 18:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2019 18:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
English, 14.09.2019 18:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2019 18:10
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.09.2019 18:10