Im not very good with it though. Type in 9 062 4 and then press enter. 6nCr2 First Enter the number 6 then Math Key Enter Key Press Enter Key 3 times to PRE Then choose number 3 for nCr Screen should show 6 nCr Then enter the number 2 then press enter key.
To access the Math Probability menu.
FIND A Z-SCORE THAT CORRESPONDS TO A PERCENTILE Use 2NDVARS invNormto nd the Z-score that corresponds to a given percentile. Im not very good with it though. If its not and it probably isnt press you should see the word CATALOG above the key. In the first blank enter n the total number of items in the set.