Probability/Additional Topics in Probability and Counting Question 01 When you calculate the number of permutations of «math style=¨font-family:`Times New Roman`¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»n«/mi»«/math» distinct objects taken «math style=¨font-family:`Times New Roman`¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»r«/mi»«/math» at a time, what are you counting?  Give an example.

]]> The number of ordered arrangements of «math style=¨font-family:`Times New Roman`¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»n«/mi»«/math» objects taken «math style=¨font-family:`Times New Roman`¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»r«/mi»«/math» at a time.  An example of a permutation is the number of seating arrangements of you and three of your friends.

]]> 1.0000000 0.0000000 0 editor 15 0 ]]>