Posted by Lilly on Friday, June 6, 2014 at 8:05pm.
There are 5 yellow, 4 violet, 2 purple, 4 navy, and 4 orange marbles in a hat. You pick 2 marbles from the hat. Marbles are not returned after they have been drawn. Find the probability. Assume that the spinner is separated into equal sections.
P(the first marble is purple and the second marble is not yellow)

Math  Ms. Sue, Friday, June 6, 2014 at 8:11pm
Do you have a typo in this post?

Math  Damon, Friday, June 6, 2014 at 8:18pm
19 marbles
p(first is purple) = 2/19
now 18 marbles,
what is p(yellow) first
p(yellow) = 5/18
so
p(NOT yellow) = 13/18
p purple then not yellow) = 2/19 * 13/18
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