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June 12, 2000

The first day of class began with introductions and a name learning game using M&M's. Robbye passed aroung a large bag of M&M's, and after everyone had a large handful, she instructed them to give a piece of information about themselves for each M&M.

After that, Jon began a discussion about probability. He had his audience fooled for a few minutes as he miraculously pulled a white poker chip out of a bag repeatedly, even though the bag also contained a red and a blue chip. Finally, someone called Jon on his trick, but everyone knew to be suspicious since the probability of such an event happening so many times is very small. The discussion of probability continued in the classroom as Jon had the students use the "Racing Game" on the computers to experiment further with probability.

Later in the day, Jon showed the class a method of using a spreadsheet and random numbers to estimate the constant pi. He simulated throwing darts at a circular dartboard inscribed in a square. He showed the class that the number of darts in the circle divided by the total number of darts is approximately one-fourth pi. (i.e. the probability of hitting the square within the circle is one quarter of pi). The students were interested to know that a spreadsheet could throw darts!


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