Refer to the attachment below, include all calculations please.

2.1 You are evaluating two project contractors. Their average times to complete the project are identical. Since you will grant the project to only one contractor, what other statistical metric(s) aside from the average should you consider in making your decision? Explain. 2.2 In a manufacturing plant, it has been determined that in every 1,000,000 products produced, 999,996 products are expected to pass the quality inspection. Is this system 6-sigma compliant? Explain. 2.3 Explain why a system with parallel conguration has a higher reliability than a system with series conguration. Give an example of a factor that may prevent decision-makers to go for the more reliable conguration? 2.4 A photocopier gets a paper jam (i.e., the failure scenario here) twice every 8 hrs? What is the mean time between failure (MTBF) expressed as a unit of hours? Assume that the arrival rate is Poisson