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The multiple choice test comprised 100 questions and each question had five possible answers of which only one is correct.

The multiple choice test comprised 100 questions and each question had
five possible answers of which only one is correct. What is the probability
of passing the test by simply guessing if at least 50% of the questions must
be correctly answered). Interpret the result. Use an appropriate Excel
function (x) and write down the formula shown in the shortcut tool bar.

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