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Mathematics 6 Online
OpenStudy (anonymous):

The cast of a school musical includes 3 sixth graders, 7 seventh graders & 5 eighth graders. if one cast member is chosen at random to introduce the show what is the probability it will be a sixth grader?

OpenStudy (heisenberg):

i believe this is as simple as probability: # available / # total: 3 six graders / ( 15 total students) = \[\frac{1}{5}\] reduced

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