![subject](/tpl/images/cats/mat.png)
Mathematics, 02.12.2021 22:10 dmsmith192
In a sample of 55 electric motors, the average efficiency (in percent) was 85 and the standard deviation was 2. The claim is made that the mean efficiency is greater than 84.582%. With what level of confidence can this statement be made
![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)
Mathematics, 21.06.2019 22:40, Savannahh8503
Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.
Answers: 3
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30, Queenempress9380
A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:30, awesome266
Identify the number as a regional or irrational. explain. 291.87
Answers: 1
You know the right answer?
In a sample of 55 electric motors, the average efficiency (in percent) was 85 and the standard devia...
Questions in other subjects:
![Konu](/tpl/images/cats/en.png)
English, 03.05.2020 13:45
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 03.05.2020 13:45
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.05.2020 13:45
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.05.2020 13:45
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.05.2020 13:45
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)