Question 1116193
Calculate the z scores for both values.
{{{z[1]=(50-90)/5=-8}}}
{{{z[2]=(130-90)/5=8}}}
So then,
{{{P=P(z[2])-P(z[1])}}}
{{{P=P(8)-P(-8)}}}
{{{P=1-0}}}
{{{P=1}}}
100%, up to 12 decimal places.