On your TI-84, press ON CLEAR 2ND VARS 2
Make the screen read like this:
normalcdf
lower:2.88
upper:99999999
μ:0
σ:1
Paste
Use the down arrow key to highlight Paste
Press ENTER
Read this:
normalcdf(2.88,99999999,0,1)
Press ENTER
Read 0.0019884417
Round to 0.0020
Edwin