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Mathematics 9 Online
OpenStudy (anonymous):

Two cards are drawn at random, without replacement. What is the probability of drawing two green cards? (im going to upload a picture to this)

OpenStudy (anonymous):

OpenStudy (anonymous):

answer choices: 1/100 9/100 3/50 1/15

OpenStudy (anonymous):

Your equation should be \[\frac{ Green Cards }{ Total/number/ of /cards }\]

OpenStudy (anonymous):

there are 3 green cards out of 10 cards, so that would make it 3/10 but what is the probability of drawing two green cards out of ten??

OpenStudy (anonymous):

So then we square the top and bottom part of the equation \[\frac{ greenCards^2 }{ totalCards^2 }\]

OpenStudy (anonymous):

so it will be 9/100. Thank you for your help!!!

OpenStudy (anonymous):

No problamo :)

OpenStudy (anonymous):

actually the answer was 1/15, but thanks for your help either way!

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