During a 52-week period, a company paid overtime wages for

1616 weeks and hired temporary help for 77 weeks. During 55 weeks, the company paid overtime and hired temporary help. Complete parts (a) and (b) below.
(a) Are the events “selecting a week that contained overtime wages” and “selecting a week that contained temporary help wages” mutually exclusive? No Yes (b) If an auditor randomly examined the payroll records for only one week, what is the probability that the payroll for that week contained overtime wages or temporary help wages? P(overtime wages or temporary help wages) =

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