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WOLFRAM|DEMONSTRATIONS PROJECT

Stochastic Simulation of Test Results with Guessing

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probability of guessing correctly
1
2
1
3
1
4
1
5
number of trials or exam takers
3
items
60
Multiple-choice exam? I will guess!
Multiple-choice questions are objective and can easily and quickly be scored. But an item is often scored as solved simply because the test taker is a lucky guesser.
This Demonstration shows the accumulated scores for some test takers.
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