2 Area under standard Normal Curve TI 84 Plus using the 2 tast Find the area to the left of z 1 45 that the area to the left is approximately K Check you understanding Z Hint USE path in TI 84 Plus STAT 2ND VERS DISTR normalcdf Or Use A 2 table of the Book Find area between z 1 96 and z 1 96 1 96 0 1 96