Question 1143695
.
<pre>
The probability that Amanda will randomly select a good pair is  {{{2/5}}}.


The probability that Dirk will randomly select a good pair (making selection after Amanda) is  {{{1/4}}}.


The probability that they BOTH will randomly select good pairs is the product


    P = {{{2/5}}}.{{{1/4}}} = {{{1/10}}}.     <U>ANSWER</U>
</pre>

------------


P.S. I am not going to list all the pair -- too much work for me . . . 


So, I do not need your hint.


I have enough brain cells in my head, instead.