Answer
$\frac{1}{9}$
Work Step by Step
The events are independent.
P(B)=$\frac{3}{9}$ =$\frac{1}{3}$
P(B)=$\frac{3}{9}$ =$\frac{1}{3}$
P(B and B)=P(B) $\times$ P(B)
P(B and B)=$\frac{1}{3}$ $\times$ $\frac{1}{3}$
P(B and B)=$\frac{1}{9}$