Hello,
I have a problem I need help with:
Homework Statement
There are 10 different types of coupons, each with prob 1/10 of being chosen. A total of N>=1 coupons are collected.
Xi= 1 if type-i coupon is among the N coupons, i =1, ..., 10
0 otherwise
Let S=X1+X2+X3 be the number of...