thale0222 thale0222

25-07-2017
Mathematics

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The mathematics faculty at a college consists of 11 professors, 55 associate professors,11 assistant professors, and 55 instructors. If one faculty member is randomly selected, find the probability of choosing a professor or an instructor.

Respuesta :

25-07-2017

P(PorI)=(11+55)/(11+55+11+55)

P(PorI)=66/132

P(PorI)=1/2

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