☆─────────────────────────────────────☆
ifc (ifc) 于 (Thu Oct 11 17:06:15 2007) 提到:
Suppose you are standing on one corner of a cube. You have equal probability
to move to one of the three neighboring corners. What is the expectation
steps from
the corner where you are standing to the furthest corner (diagonal corner)?
☆─────────────────────────────────────☆
JetMax (JetMax) 于 (Thu Oct 11 17:46:09 2007) 提到:
3, similar to a problem discussed a few days ago.
☆────────────────────────────
