In an effort to cut costs and improve profits, many U.S. companies have been turning to outsourcing. In fact, according toPurchasing magazine, 54% of companies surveyed outsourced some part of their manufacturing process in the past two to three years. Suppose560 of these companies are contacted.Appendix A Statistical Tables
a. What is the probability that335 or more companies outsourced some part of their manufacturing process in the past two to three years?
b. What is the probability that286 or more companies outsourced some part of their manufacturing process in the past two to three years?
c. What is the probability that52% or less of these companies outsourced some part of their manufacturing process in the past two to three years?