Homework Help: Stat Help

Posted by Justin on Tuesday, November 6, 2012 at 3:54pm.

The Momoland Springs Company claims that there are at most 1 ppm (parts per million) of benzene in their water. Test at a=.10

n=25
= 1.10 ppm
s = .20 ppm

No one has answered this question yet.

Answer this Question

Related Questions

chem - The units of parts per million (ppm) and parts per billion (ppb) are ...
Chemistry - Carbon dioxide gas has a solubility of 0.0972 g/100 g H2O at 40 ...
Chemistry - A 200. gram sample of a salt solution contains 0.050 grams of NaCl. ...
chemistry - If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what ...
chemistry - Given a solution in moles per litre how would you convert to parts ...
chemistry - Calculating Parts per million Helium gas, 3.0 x 10^-4 is dissolved ...
chemistry - Calculate the concentration in parts per million (ppm) of the solute...
hypothesis testing by mean levels - hi everyone... i have this homework.. i ...
chemistry - (ppm and ppb are sooo not easy for me to get)c A saturated solution ...
Chemistry - Can someone try this out so I can see if I'm correct? An 870 g ...

For Further Reading

First Name:
School Subject:
Answer: