(Answered) Suppose you have a stock portfolio where 28 of the stocks

Statistics

Suppose you have a stock portfolio where 28% of the stocks earned a return of 12.2%, 12% earned a return of 15.1%, 24% of the stocks earned a return of 0%, 18% of the stocks earned a return of -1.5%, and 18% of the firms earned a return of -3%.

(A) What is the average return?

(B) What is the variance of the returns?

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