A new car was put into production It involved many assembly

A new car was put into production. It involved many assembly tasks. Each car was inspected at the end of the assembly line and the number of defects per unit was recorded. On average, 0.40 defects were recorded per 100 units produced. The distribution of defects followed a Poisson distribution. Based on the first 100 produced, about how many out of every 1,000 cars assembled should have one or fewer defects?

Solution

About 330