Question $3$

$5$ pts

Bill has $$100,000$ invested in a $2-$stock portfolio. $$25,000$ is invested in Stock A which has a beta of $1\mathrm{.}70,$ and the remaining $$75,000$ is invested in Stock B$,$ which has a beta of $0\mathrm{.}78.$ What is the portfolio's beta?

Your answer should be between $0\mathrm{.}70$ and $1\mathrm{.}80,$ rounded to $2$ decimal places, with no special characters.