What if some of the objects are identical to each other? How will this change the number of arrangements?
lesson notes:02 permutations II
What if some of the objects are identical to each other? How will this change the number of arrangements?
lesson notes:02 permutations II
How to find the inverse of a function; often it involves the restricting of the domain
lesson notes:01 inverse functions
The basic counting principle and working out how many arrangements a set of objects can have
lesson notes:01 permutations I
Calculating the probability of one event happening; knowing that another event has already happened
lesson notes:04 conditional probability