(Solved): A retasin variable as nomaly datrbuted with o mean of \( y=40 \) and a standard devason of of \( =1 ...
A retasin variable as nomaly datrbuted with o mean of \( y=40 \) and a standard devason of of \( =10 \). 75)
(b) What is the probablity the random variatie will astume a value between 20 and co? (ibound your answer to three decimal ploces.)