The two events described in this exercise are rolling a red die and rolling a blue die. Since neither of these events affects the probability of the other, these are independent events. If two events are independent, then the probability of both occurring is the product of their individual probabilities.
P(AandB)=P(A)⋅P(B)
Let's start by calculating the probability of obtaining 3 after rolling a red die. A regular die has six faces, and one of them is 3.
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