Answer
$\frac{4}{27}$
Work Step by Step
The events are independent.
3 of the 9 tiles are B's:
P(B)=$\frac{3}{9}$=$\frac{1}{3}$
4 of the 9 tiles are C's:
P(C)=$\frac{4}{9}$
P(B and C)=P(B) $\times$ P(C)
P(B and C)=$\frac{1}{3}$ $\times$ $\frac{4}{9}$
P(B and C)=$\frac{4}{27}$
