(03.05 LC) Which of the following statements best describes the effect of replacing the graph of f(x) with the
graph of f(x) + 4?
O The graph shifts 4 units up.
O The graph shifts 4 units down.
O The graph shifts 4 units left.
O The graph shifts 4 units right.

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