Chapter 13 - Probability - 13-6 Conditional Probability Formulas - Practice and Problem-Solving Exercises - Page 859: 8

$0.1875$ or, $18.75$

In order to compute the probability: $P(A \cap B)= P(A) \times P(B)$ Here, $P(A)=0.75$ and $P(B)=0.25$ Therefore, the probability that the sum is even when there is a number $2$ will be: $P(A \cap B)= P(A) \times P(B)$ or, $=(0.75) \times (0.25) $ or, $=0.1875$ or, $18.75$