Question 1153536
{{{(9C1 * 9C1 * 5C1)/(23C3)}}} = {{{((9!/(1!*8!))*(9!/(1!*8!))*(5!/(1!*4!)))/(23!/(3!*20!))}}} = {{{(9 * 9 * 5)/1771}}} = {{{405/1771}}} = 0.2287