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To achieve a zero standard deviation for a portfolio, calculate the weights of stock A and stock B$,$ assuming the correlation coefficient

is $-1.$ Use the following information. $($Round intermediate calculations and final answers to $2$ decimal places, e$.$g$.31\mathrm{.}21\%.)$

Weight of stock $A$

Weight of stock $B$

Using multiple attempts will impact your score.

$25\%$ score reduction after attempt $1$