User:Dashiva/Prospecting

Link between prospected quality and actual quality.

Outside	Inside	Samples
<Unknown rock>	Pretty bad	25.00, 28.00, 33.00, 36.00, 39.00
Poor	Pretty bad	20.00, 27.00
Acceptable	Pretty bad	32.00, 38.00
Normal	Normal	45.00, 46.00, 50.00, >= 50.05
-	Good	-
-	Very good	-
-	Utmost	-

Uh-oh, both acceptable and poor show as the same inside caves. Therefore separating out the values observed on "pretty bad" rock, which could be either poor or acceptable.

Entrance hypothesis

When mining a cave entrance, the chance of getting rock shards is 25%.