Question 1027587
First red
{{{P(R[1])=8/(8+5+4+7)=8/24=1/3}}}
Second red,
{{{P(R[2])=7/23}}}
Third red,
{{{P(R[3])=6/22=3/11}}}
First three red,
{{{P=P(R[1])*P(R[2])*P(R[3])}}}
{{{P=(1/3)(7/23)(3/11)}}}
{{{P=7/253}}}