Mathematics, 31.07.2020 03:01 vickye146

There are 70 attendees, 45 are regular conference goers, 15 are new to the conference, and 10 are presenters. Six attendees are selected to serve as the welcome committee. Leaving your answers in combinatorics format, how many ways can at most two of the presenters be selected? g

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There are 70 attendees, 45 are regular conference goers, 15 are new to the conference, and 10 are pr...