A company has two assembly lines, each of which stalls an average of 2.4 times per week according to a Poisson distribution.Assume that the performances of these assembly lines are independent of one another.What is the probability that at least one line stalls at least once in any given week?

1. Problem statement.

2. Distribution used and the values of its parameters.

3. Probability statements in symbols.

4. Excel functions and how they were used.

5. Results stated in terms of the problem.