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Mathematics, 17.10.2019 00:40 teed0ll9

Suppose there are 25 students attending friday lectures on statistics.
a) a teacher wants to call 4 students to the whiteboard. what is the number of ways
to do it?
b) what is the number of ways in which 4 students may be called to the whiteboard
to solve 4 problems taken from different topics (for instance: dice problem,
combinatorics, bayes’ rule and discrete random variables)

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a) a teacher wants to c...
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