Pollutants in auto exhausts. The level of nitrogen oxides (NOX) in theexhaust of cars of
Chapter 0, Problem 11.37(choose chapter or problem)
Pollutants in auto exhausts. The level of nitrogen oxides (NOX) in theexhaust of cars of a particular model varies Normally with mean 0.2 grams permile (g/mi) and standard deviation 0.05 g/mi. Government regulations call forNOX emissions no higher than 0.3 g/mi.(a) What is the probability that a single car of this model fails to meet the NOXrequirement?(b) A company has 25 cars of this model in its fleet. What is the probability thatthe average NOX level x of these cars is above the 0.3 g/mi limit?
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