Answer:
The Portfolio beta is 1.1045
Step-by-step explanation:
The computation of the portfolio beta is given below:
Stock Beta Investment (Weight) Weighted Beta
Stock Q 0.8 0.3 0.2400
Stock R 1.18 0.25 0.2950
Stock S 1.19 0.25 0.2975
Stock T 1.36 0.2 0.2720
Portfolio beta 1.1045