Tho weights of poopie in a certain population aro normaly distrbuted weh a mean of 160 is and a standard deviation of 20 lo, For samplos of sizo 5 , dotarmine whether the dietributicn of is normati or approkmatey normal and give its mean and standard deviation. A. Approximatey nomral, mean i=1603, standard deviation j=8948 B. Approimalely normal, mean k=160 bo standerd devation j=4,00d D. Normal, mean z=160lb standerd devibion =8.94b.