Pass a test
The student has to pass a test that contains ten questions. For each of them, he chooses one of 5 answers, with just one being correct. The student did not prepare for the test, so he randomly chose the answers. What are the probabilities that the student will answer correctly:
a) a maximum of 3 questions
b) at least 4 questions
c) all ten questions
Your answer:
a) a maximum of 3 questions
b) at least 4 questions
c) all ten questions
Your answer:
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