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DiamondIceNS t1_j6pf6rj wrote

Reply to comment by Stellar_Panda in ELI5 - When filling multiple choice bubbles at random why only go with 1 letter? by Stellar_Panda

If the test is written by a person, C is most likely. Because the answers are (probably) not 1/4 each.

If the test was shuffled by a machine, and the answers are perfect 1/4 chance, then no strategy is better than any other. Picking straight C is just as effective as picking C most of the time and picking B sometimes, and just as effective as picking with no pattern at all.

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Stellar_Panda OP t1_j6pfl2l wrote

If machine wouldn't having a pattern hurt you? If random, try to be random. Would this not offer some kind of marginal benefit? Because very low probability of answer always being C, etc? I guess not..?

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