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­Here is a detailed video solution for this interesting question.
See how this question can be solved in the test environment using "Owning the Dataset" approach.


Let us know if you have any questions.­
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According to the graph, Play4 and Play1 were worth checking.
For play 1= 65/80 = 81%
For play 4 = 45/50 = 90%

The total revenue = 4500*40 =180000
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