Select the table that represents the function x2 + 4x x y -4 0 -2 -4 0 0 1 5 x y -3 -4 -1 -1 0 1 1 2 x y -5 -2 -3 -3 0 -2 2 3 x y -1 1 0 2 1 3 3 5

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