Question 1103204
mean is 0.1429 and s=0.0489
CI is (0.085, 0.201)
t(df=6, 0.99) is 3.143
half interval about the mean is +/- 3.143(.0489)/sqrt(7)=0.0581
Because a number greater than 0.165 is in the CI, we cannot conclude that the emissions are less than 0.165 g/mg-mi