Question 1186966
the average weight would be 190800/53=3600 pounds
the sd is s/sqrt(n)=425/sqrt(53)=58.38 pounds
z=(3600-3650)/58.38
>-50/58.38=-0.856
probability is 0.8041
or
3650*53=193450
sd=425*sqrt(53)=3094; 
z>(190800-193450)/3094=-0.8565