Question 1118779
Find the z score. 
Find the associated P.
Multiply by the total number of watermelons.
{{{z=(39.67-40)/1}}}
{{{z=-0.33}}}
{{{P(-0.33)=0.3707}}}
So 37.07% of the watermelons weigh 39.67 lbs or less. 
Find 37.07% of 300.