Find probability of getting at least thirty percent correct
A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 30% correct. Use the binomial correction.
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Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 30% correct. Use the binomial correction.
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Use normal approximation to estimate the probability of passing a true/false test of 60 questions if the minimum passing grade is 80% and all responses are random guesses.
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