A ball is drawn randomly from a jar that contains 2 red balls, 7 white balls, and 4 yellow balls. Find the probability of the given event, and show your answers rounded to 4 decimal places when possible. a.  A red ball is drawn. P(red) =  b.  A white ball is drawn. P(white) =  c.  A yellow ball or red ball is drawn. P(yellow or red) =

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