The Dynaco Manufacturing Company produces a product in a process consisting of

operations of five machines. The probability distribution of the number of machines

that will break down in a week follows:

Machine breakdowns per week Probability

0 0.1

1 0.1

2 0.2

3 0.25

4 0.3

5 0.05

a. Simulate the machine breakdowns per week for 20 weeks.

b. Compute the average number of machines that will break down per week

please show excel and step by step