Holdem Stats Question (probability of losing at showdown)

In an online holdem cash game with 8+ players:

How often will a player lose the hand if the hand goes to a showdown after the river, in the following situations:

a) The player makes 3 of a kind
b) The player makes a strait
c) The player makes a flush
d) The player makes a full house

[krimson]

Try the "probability" forum.

Thanks!