MathDB

2015.15

Part of MBMT Guts Rounds

Problems(1)

MBMT Guts #15

Source:

3/29/2015
Two (not necessarily different) numbers are chosen independently and at random from {1,2,3,…,10}\{1, 2, 3, \dots, 10\}. On average, what is the product of the two integers? (Compute the expected product. That is, if you do this over and over again, what will the product of the integers be on average?)