Author: Chris Boucher (March 2011). This app displays an intricate Venn diagram, containing various combinations of set intersections, unions and complements. Users can shade the area they choose by ...

First, represent the information on a tree diagram: From the tree diagram, the probability of winning the second set = 27 50 + 10 50 = 37 50.

From the tree diagram, the probability of winning the second set = 27 50 + 10 50 = 37 50. This means that in every 50 matches, she may win the second set 37 times (ie 37 becomes the denominator ...