Answer:
the portfolio beta is 1.06
Explanation:
The computation of the portfolio beta is shown below:
The Beta of the Portfolio is
= Stock Q Weight × Beta of Stock Q + Stock R Weight × Beta of Stock R + Stock S Weight × Beta of Stock S + Stock T Weight × Beta of Stock T
= 0.93 × 0.4 + 1.1 × 0.25 + 1.1 × 0.2 + 1.28 × 0.15
= 1.06
hence, the portfolio beta is 1.06
We simply applied the above formula so that the correct value could come
And, the same is to be considered