A student takes an exam containing 13 true or false questions. At least 9 correct answers are required to pass. If the student guesses, what is the probability that he will fail? Round your answer to four decimal places.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A student takes an exam containing 13 true or false questions. At least 9 correct answers are required to pass. If the student guesses, what is the probability that he will fail? Round your answer to four decimal places.

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