1 .
You roll a fair red die and a fair blue die, independently of each other. Let $r$ be the result of
the red die and let $b$ be the result of the blue die. Define the events
- A = "$r + b = 6$",
- B = "$b = 4$".
(a)
1/6
(b)
1/3
(c)
1/4
(d)
1/5