Question 1139780
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<pre>

This probability is the ratio (the fraction), where the numerator is  {{{C[6]^4}}} = {{{(6*5)/(1*2)}}} = 15,


and the denominator is  {{{C[12]^4}}} = {{{(12*11*10*9)/(1*2*3*4)}}} = 495,


so the answer is  {{{15/495}}} = {{{1/33}}}.
</pre>

Solved.