The table below gives information about a random sample of trees, and whether or not they have been affected by a drought. Suppose one tree is chosen at random from this data.

Affected?/Type	Pine	Fir	Cedar	Total
Yes	37	44	31	112
No	143	100	140	383
Total	180	144	171	495

Find the probability (round to three decimals) that the tree: a. is a Pine tree: b. was affected by the drought: c. is a Pine tree and was affected: d. is a Pine tree tree or was affected: e. is a Pine, given that it was affected: f. was affected, given that it is a Pine: