Posted by **Antonio** on Monday, April 16, 2012 at 3:54pm.

At a political rally there are 20 republicians 13 democrates 6 independents. if a person is chosen at random what is the probability that the person is either a democrate or and independent?

- Math Probability -
**MathMate**, Monday, April 16, 2012 at 7:29pm
"at random" means all choices have equal probability.

Sample space = 20+13+6=39

There are 13 democrates and 6 independents for a total of 19.

What is the probability?

- Math Probability -
**Antonio**, Monday, April 16, 2012 at 10:59pm
19/39

- Math Probability -
**MathMate**, Tuesday, April 17, 2012 at 6:58am
Correct!

- Math Probability -
**Kathy**, Tuesday, April 17, 2012 at 7:35pm
it would be 19 over 39. Good luck~!:)

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