Dirty air: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let A be the number of days per year that the level of air pollution exceeds the standard in a certain city. The probability distribution of _ is given by x 0 2 3 P(x) 0.35 0.40 0.18 0.04 0.03 Send data to Excel Part 1 of 4 V (a) Find P (3). P (3) = 0.04 Part: 1 / 4 Part 2 of 4 (b) Find P (3 or fewer). P (3 or fewer) = X