(Redirected from 2a Phil Cannon ECE302Fall2008sanghavi)
Since he has n keys in his pocket there is a 1/n chance he'll pick the right key. Thus the expected value is 1/(1/n), or n.
Since he has n keys in his pocket there is a 1/n chance he'll pick the right key. Thus the expected value is 1/(1/n), or n.
