SOLUTION: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let X be the number of days per year that the level of air pollution exceeds the st
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Question 857500: The federal government has enacted maximum allowable standards for air pollutants such as ozone. Let X be the number of days per year that the level of air pollution exceeds the standard in a certain city. The probability distribution of X is given by:
X 0 1 2 3 4
P(X) 0.33 0.38 0.19 0.06 0.04
Find the probability that the standard is exceeded on at least one day.
