![subject](/tpl/images/cats/mat.png)
Mathematics, 20.07.2021 22:30 Jennitiu
A study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanics are randomly selected, find the probability that their mean rebuild time exceeds 8.7 hours.
Group of answer choices
A. 0.1946
B. 0.1285
C. 0.1469
D. 0.1346
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30, aprilreneeclaroxob0c
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?
Answers: 3
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00, Brendah4962
Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00, feyundre52
Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days
Answers: 2
You know the right answer?
A study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 Chevrolet C...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.04.2020 23:49
![Konu](/tpl/images/cats/istoriya.png)
History, 10.04.2020 23:49
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.04.2020 23:49
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 10.04.2020 23:49
![Konu](/tpl/images/cats/fizika.png)
Physics, 10.04.2020 23:49