Beta of a portfolio. The beta of four stocks$-$G$,H,$I, and J$-$are $0\mathrm{.}49,0\mathrm{.}87,1\mathrm{.}24,$ and $1\mathrm{.}65,$ respectively. What is the beta of a portfolio with the following weights in each asset: $?$

What is the beta of portfolio $1?$

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