Hi. I am trying to make a spreadsheet to calculate the likelihood of certain items appearing in a game called Monster Hunter Tri for the Wii (hopefully some of you have played it)

Basically this is what happens:

When you kill a monster, you get to "carve" its body 3 times. There are certain items you can get from this, all of which have their own probabilities. Then you get 5 items for completing the quest, again, each item with its own probability. Then, if you succeeded in "breaking" a part of the monsters body, there is a chance for even MORE items. etc.

So I want to be able to calculate the total % chance of getting an item once, twice, three times, etc.

Here's what I've made so far, in excel. See if you think the current numbers are correct.

So to remind you.

Body carves you get 3

Quest Rewards = 5

Tail Carves = 1

Shiny Drop = 1

Destroy Body Part = 1 per body part

For example, if I beat this monster (lagiacrus) and I do EVERYTHING possible meaning I kill him, do the quest, get a shiny drop and break all of his body parts, what are the chances I get 1 Lagiacrus Hide, 2 Lagiacrus Hides, 3, etc., for each item?