Mathematics

Lorena

5 May, 14:38

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)

+5

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