a)What are the expected returns and standard deviations of a portfolio consisting of:1.100 percent in stock A

12%

1.00

Explanation:

Note that the expected return on stock A which is 12% is missing from the question as well as the standard deviation of A which is 1.00

The expected return from stock A with 100% of funds(total amount of investment) invested in stock A is the percentage invested in A multiplied by the expected return of stock  A shown thus:

expected return=100%*12%

portfolio expected return=12%

portfolio standard deviation(if 100% invested in A)=1.00*100%

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