Come every Monday, something will puzzle you. Come every Monday, something will challenge you. Come every Monday, something will sound interesting. Come every Monday, the beauty of the random world will engage you!
So, come every Monday.
Monday, June 7, 2010
Monday Probability 22: Coupons
There are N distinct types of coupons in cereal boxes and each type is equally likely to be in any box. If a child collects n coupons, what is the expected number of distinct coupons types he has?