A comprehensive powerpoint that covers the topic of Probability: Counting Strategies. The Powerpoint models solutions to key questions in the topic, followed by questions for the students to do. The ...
\[ \#\{ (i_1,i_2,\cdots, i_k) : 1 \leq i_1 < i_2 < \cdots < i_k\leq n\} = \frac 1{k!} \frac{n!}{(n-k)!}\] To see this, understand that each element of the set ...
A comprehensive powerpoint that covers the topic of Probability: Counting Strategies. The Powerpoint models solutions to key questions in the topic, followed by questions for the students to do. The ...
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