Bobby believes his video game scores are clustered
closer to his median than Amelia's are to her median.
Explain why you agree or do not agree with Bobby
Bobby Amelia
Lower Quartile 472
454
Upper Quartile 585
633
Median
535
535

Let x have probability generating function gx (s) and let un generating function u(s) of the sequence uo, u1, satisfies p(x > n). show that the (1- s)u(s) = 1 - gx(s), whenever the series defining these generating functions converge.