Suppose the risk-free rate is 4.9 percent and the market portfolio has an expected return of 11.6 percent. The market portfolio has a variance of .0452. Portfolio Z has a correlation coefficient with the market of .35 and a variance of .3355. According to the capital asset pricing model, what is the expected return on Portfolio Z?

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Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.

The answer here, x=7, is not in the interval that you selected in the previous part. what is wrong with the work shown above?