Answer to Question #54752 in Statistics and Probability for Kim

Question #54752
Fred is answering a multiple choice question exam. Each question has n possible answers. If Fred knows the correct answer to a question, he always gets it correct; otherwise he takes a guess, picking any answer with equal probability.

Let K be the event that Fred knows the answer to a question and let R be the event that Fred answers the question correctly. Given P(K) = 3 what is P(R)?
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Expert's answer
2015-09-17T07:08:30-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-54752.pdf

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