Answer :
number of all possibilities - [tex]5!=120[/tex]
number of codes starting with A - [tex]4!=24[/tex]
the probability is [tex]\frac{24}{120}=\frac{1}{5}[/tex]
number of codes starting with A - [tex]4!=24[/tex]
the probability is [tex]\frac{24}{120}=\frac{1}{5}[/tex]