Choose the correct equation in point slope form for the line that passes through the point with the given slope. (2, 1),m=-3 a)y+1=3x-6 b)y-2=-)] c) y+1=-3(x-2) d) y-1=-3(x+2) e) y-1=-3x+2

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables