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Mathematics Problem of the Week


Home > MPOTW > 06/04/2021

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Probabilities of Guessing at Multiple Choice

In a multiple choice question paper with four options, getting the answer right with the first guess (that is, if we don't the answer) has a probability of ¼. What are are the probabilities for getting the correct answer on the second, third and fourth guesses?

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Solution to follow …

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