What is the probability that a student passes the exam

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Suppose an exam consisted of 20 multiple choice problems, each with four possible responses (A-D), only 1 of which is correct.

Round all answers to 5 decimals.

If a student randomly guesses the answers to each question then what is the probability that a student guesses the correct answer to fewer than 14 questions?

What is the probability that a student passes the exam with a score of 70% or higher?

Reference no: EM132844601

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