Posted by **Danyell** on Saturday, October 29, 2011 at 12:48am.

80% of students passed a class. 90% of those 80% did homework. Of the 20% that didn't pass, 60% of them did the homework. What is the probability of a student having done the homework?

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March 23, 2017
Posted by **Danyell** on Saturday, October 29, 2011 at 12:48am.

80% of students passed a class. 90% of those 80% did homework. Of the 20% that didn't pass, 60% of them did the homework. What is the probability of a student having done the homework?

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