Question 954948
Find the two z scores,
{{{z[1]=(250-310)/32=-1.875}}}
{{{z[2]=(350-310)/32=1.25}}}
Find the corresponding probability,
{{{P[1]=0.030396}}}
{{{P[2]=0.89435}}}
So then,
{{{P=P[2]-P[1]}}}
{{{P=0.864}}}