Question 979356
Find the z scores.
{{{z[1]=(30-30)/4=0}}}
{{{z[2]=(35-30)/4=5/4}}}
and their corresponding probabilities,
{{{P(z[1])=0.5}}}
{{{P(z[2])=0.89435}}}
So,
{{{P=P(z[2])-P(z[1])}}}
{{{P=0.89435-0.5}}}
{{{P=0.3944}}}