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Mathematics, 30.09.2019 19:30, nana55959
1. mcdonald's has decided to keep their doors open all night. there are 15 employees that have volunteered for the night shift. a) if a night crew consists of 4 employees, how many different crews are possible? he employees are ranked 1, in order of competence, how many of b) if t these crews would not have the best employee? c) how many of the crews would have at least 1 of the 5 best employees? d) if one of these crews is selected at random to work on a particular night, what is the probability that the best employee will not work that night?
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