why a donkey??

Lets make a deal was a television game show back in the 70's (?) starring Monty Hall. Often, the contestant would win a prize (strategically located behind door 1, 2 or 3). The contestant would choose which door to open, and sometimes, it was a donkey or other such animal...

The Let's Make a Deal Applet

As a motivating example behind the discussion of probability, an applet has been developed which allows students to investigate the Let's Make a Deal Paradox. This paradox is related to a popular television show in the 1970's. In the show, a contestant was given a choice of three doors of which one contained a prize. The other two doors contained gag gifts like a chicken or a donkey.

stat.sc.edu/~west/javahtml/LetsMakeaDeal.html

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