Mathematics, 02.06.2021 01:00, july00

A professor teaches a very small class with only 4 students. One day, when returning a test, the professor simply shuffles the tests and hands each student one of the tests at random.
(Write all answers as fractions, not decimals) What is the probability all 4 students receive the correct test?
What is the probability that no one receives the correct test?|
What is the probability that one or more students receive the correct test?

Answers: 3

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A professor teaches a very small class with only 4 students. One day, when returning a test, the pro...