Quote:
Originally Posted by Optherion
Anyways reminds me of an old one, Here goes:
You have a bag of 20 marbles, 10 are Red and 10 are blue. You reach into the bag and pick a marble without looking. You repeat this 10 times. Of the 10 times you reach into the bag, you pull out a blue marble 6 times, and a red marble 4 times. What are the odds the next marble will be blue?
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Quote:
Originally Posted by southlight
You beat me to it.  Anyways, 40%.
Best regards,
south |
Not necessarily. If the marbles are replaced instead of kept out it is still just 50%.