Say I have a bag with 10 balls (either red or blue), and I know that there are 8 balls that are red. How do I calculate the probability of drawing a a red ball $>75\%$ of the time if the first ball I picked without replacements is red? Hope this is clear. Thanks!
closed as unclear what you're asking by whuber♦ Feb 24 '14 at 20:50
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