Question: You have three portfolios containing four assets each. The following table specifies the weights assigned to each asset in each of the three portfolios, along with each asset's beta:
![1283_14.png](https://secure.tutorsglobe.com/CMSImages/1283_14.png)
a. Calculate the betas for the three portfolios.
b. Rank the portfolios from the highest risk to the lowest risk according to their betas.