Question 317225
Find the z scores.
{{{z=(x-mu)/sigma}}}
{{{z1=(65.5-68)/2=-1.25}}}
{{{z2=(70.5-68)/2=1.25}}}
{{{P(z1)=0.10565}}}
{{{P(z2)=0.89435}}}
P({{{65.5<x<70.5}}})={{{P(z2)-P(z1)=0.89435-0.10565=highlight(0.789)}}}