Question 1147646
Go to a z-table and find the z-score that is closest in value to 0.02.  This z-score is -2.05.  
<pr>
{{{(x - mean)/SD = Zscore}}}
<pr>
{{{(x - 4.8)/1 = -2.05}}}
<pr>
{{{x - 4.8 = -2.05}}}
<pr>
x = 2.75