Posted by Rosa on Wednesday, February 29, 2012 at 9:24am.
Even = 10/20
over 14 = 6/20
Since 3 numbers are duplicated (in both categories), that probability needs to be subtracted.
Either-or probability is sum of the individual probabilities.
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
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