C. Annual emissions of carbon dioxide in a certain region were estimate to be 36 billion metric tons in a given year. The population of this region is 7.5 billion people. Express this quantity in per capita terms (metric tons per person in the region). The emissions were metric tons per person.
(Round to one decimal as needed.)

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