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    Additional rule of probability

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    1. During a 52 week period, a company paid overtime wages for 18 weeks and hired temporary help for 9 weeks. During 5 weeks, the company paid overtime and hired temporary help

    a. Are the events "Selecting the week that contained overtime wages",and "selecting a week that contained temporary help wages" mutually exclusive? Explain.

    b. If an auditor randomly examined the payroll records for only one week, what is the probability that the payroll for the next week contained overtime wage or temporary help wage?

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    Solution Summary

    The solution gives step by step procedure for computing probability based on addition theorem.