Question: A student takes a multiple-choice test that has 10 questions. Each question has four choices. The student guesses randomly at each answer. a. Find P(3).

A student takes a multiple-choice test that has 10 questions. Each question has four choices. The student guesses randomly at each answer.

a. Find P(3).

b. Find P(More than 2).

c. To pass the test, the student must answer 7 or more questions correctly. Would it be unusual for the student to pass? Explain.

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