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4.3 Exercise 37

Avg difficulty 2.5

Let X = the number of games won in that upcoming month.

A student takes a 32-question multiple choice exam, but did not study and randomly guesses each answer. Each question has three possible choices for the answer. Find the probability that the student guesses more than 75 percent of the questions correctly.

OpenStax Statistics, 4.3 Binomial Distribution (Optional), exercise 37

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