![subject](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 19:07 VinTAEge
Acid rain caused by reaction of air pollutants with rainwater appears to be a growing problem in the northeastern United States. Pure rain falling through clean air registers a pH value 5.7(pH is measure of acidity (0 is acid; 14 is alkaline). Suppose water samples from 40 rainfalls are analyzed for pH, and x (bar) and s are equal to 3.7 and .5 respectively. For a 99% confidence Interval for the mean pH in rainfall, what is the width of the interval?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Find the commission on a $590.00 sale if the commission is 15%.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:40
Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2β the length: 40β the width: 12β me !
Answers: 1
You know the right answer?
Acid rain caused by reaction of air pollutants with rainwater appears to be a growing problem in the...
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 11.08.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.08.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.08.2021 18:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 11.08.2021 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 11.08.2021 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 11.08.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
World Languages, 11.08.2021 18:50