Of the 200 seniors graduating, 45 took an art class while9 were in the band. Only 20 of the students who took ?
Posted by: Admin on
Mar 18th, 2009 |
Filed under: Art
Gracie’s Mommy asked:
how would i do this
how would i do this
Of the 200 seniors graduating, 45 took an art class while in high school and 89 were in the band. Only 20 of the students who took an art class were not also in band. What is the probability that a graduate chosen at random was in the band or had taken an art class?
Arthur

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