SOLUTION: During a​ 52-week period, a company paid overtime wages for 19 weeks and hired temporary help for 7 weeks. During 4 ​weeks, the company paid overtime and hired temporar

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Question 1043345: During a​ 52-week period, a company paid overtime wages for 19 weeks and hired temporary help for 7 weeks. During 4 ​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?
(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? (Round to the nearest thousandth as​ needed.)
​P(overtime wages or temporary help​ wages) =

Answer by solver91311(24713) About Me  (Show Source):
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b) since the company did both for 4 weeks, the number of weeks they did either or both is 19 + 7 - 4.

John

My calculator said it, I believe it, that settles it