Please please help me
...
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2019 10:31
![question](/tpl/images/cats/mkx.png)
Arts, 03.12.2019 10:31
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2019 10:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2019 10:31
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2019 10:31
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2019 10:31
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2019 10:31
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 03.12.2019 10:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.12.2019 10:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2019 10:31
![question](/tpl/images/cats/mkx.png)
Arts, 03.12.2019 10:31
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2019 10:31