Contents
• one choice
• many choices: permutations
• many choices: combinations
• many choices: combinations
• independent events
• dependent events
• permutations without repettitions
• permutations with identical elements
• combinations
• coditional probabilities
• and or events
• two outcomes
• total probability theorem
• Bayes rule
• union sets and probability
• fundamental counting principle


Other exercices

 
Combinatorics - Probability
Example 1: one possibility
One possibility

One choice

We have 5 books of Mathematics {B1,B2,B3,B4,B5}. How many possibilities can we have to choose 1 book from them?

We have 5 choices: 5 possibilities:
B1 Or B2 Or B3 Or B4 Or B5.





  
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