Answer:
the expected return for security A is 11.50%
Explanation:
The computation of the expected return for security A is shown below:
The  Expected return for security A is
= Respective Return Ă— respective probability
= (0.3 Ă— 7) + (0.5 Ă— 12) + (0.2 Ă— 17)
= 11.50%
hence, the expected return for security A is 11.50%
We simply applied the above formula so that the correct value could come
And, the same is to be considered