SOLUTION: A multiple choice test consists of four questions. Each question has five possible answers of which only one is correct. A student guesses on every question. Find the probability d
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Question 1041050: A multiple choice test consists of four questions. Each question has five possible answers of which only one is correct. A student guesses on every question. Find the probability distribution of X, the number of questions she answers correctly. Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Since she's guessing and their are five possible answers, she has a 1/5 probability of a correct answer.
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where X is the number of correct answers.
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