Question 1a.) Four sample points

Sample pointb.) Success ( OI,S)

Oil IndustryOI Failure (OS,F)

InvestementSuccess (TM,S)

Tree MutualTM Failure (TM,F)

O = the event of oil industry investment sucessfulT = the event that the minicipal bond is sucessful

T U O = {(OI,S),(TM,S)}d = intersection sample point = 0