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There are 3 red, 1 blue, and 2 yellow marbles in a bag. Once a marble is selected, it is not replaced. Probability of red then blue

Mathematics
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hmmm interesting, going to have to brush up on prob really quick
ok no problem
ok so this looks like the right track... but it's not exactly easy

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Other answers:

http://www.onlinemathlearning.com/probability-without-replacement.html
so do you know the answer?
I like need help badly!
well, the red has to be selected first
so the probability of that is 3/6 (1/2)
now you need the next one to be blue
bu there are less reds left - one less in fact
so the probability of a blue at that point is 1/5
so that means the total probability is 1/2 * 1/5 = 1/10
so its 1/10?
yep
ok thnk you
np =)

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