Test whether the proportion of such people are different from each other.(Since the data set is very long, I will just give you p1,p2 and Pc). Use a=0.05.
P1= 157/424
P2=97/221
Pc=254/645
n1=424
n2=221
I need a very specific explanation please. I am getting the answers wrong by just a decimal point. Please find out the z value.
