Lakeyta03 Lakeyta03
  • 15-01-2017
  • Mathematics
contestada

How many different ways can a chairperson and an assistant chairperson be selected for a research project if there are 7 scientists available? Which counting method do you use?

Respuesta :

samlai
samlai samlai
  • 15-01-2017
7P2, so 42 ways - permutation method since the order of choosing matters (chair and vice chair)
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