And that's enough of Keltham doing all the work of inventing homework problems himself.  They've solved some, now, they should be able to make up their own probability problems.

Everybody in class make up one probability problem, copy to a scrap of paper, write what you think is the correct answer on the other side of a scrap of paper, then pass it around, starting with Keltham.

And that's enough of Keltham doing all the work of inventing homework problems himself.  They've solved some, now, they should be able to make up their own probability problems.

Everybody in class make up one probability problem, copy to a scrap of paper, write what you think is the correct answer on the other side of a scrap of paper, then pass it around for others to solve, starting with Keltham.

And that's enough of Keltham doing all the work of inventing homework problems himself.  They've solved some, now, they should be able to make up their own probability problems.

Everybody in class make up one probability problem, copy to a scrap of paper, write what you think is the correct answer on the other side of that scrap of paper, then pass it around for others to solve, starting with Keltham.