4-66. Simmons Furniture Company is considering changing its starting hour from 8:00 A.M. to 7:30 A.M. A census of the company's 1,200 office and production workers shows 370 of its 750 production workers favor the change and a total of 715 workers favor the change. To further assess worker opinion, the region manager decides to talk with random workers. a. What is the probability a randomly selected worker will be in favor of the change? b. What is the probability a randomly selected worker will be against the change and be an office worker? c. Are the events job type and opinion independent? Explain