Question 620469
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Hi,
An urn contains 8 marbles: 1 red, 2 green & 5 blue... identical in every aspect except color. 
You draw two marbles from the urn, but <u>replace</u> the first marble before drawing the second.
 P(blue, then green) = {{{(5/8)(2/8)}}} = {{{5/32}}}