A financial planner is examining the portfolios held by several of her clients. Which of the following portfolios is likely to have the smallest standard deviation? A portfolio consisting of about three randomly selected stocks from different sectors A portfolio containing Microsoft, Apple, and Google stock A portfolio containing only Microsoft stock Portfolio managers pick stocks for their clients' portfolios based on the investment objective of the portfolio and several other factors. One key consideration is each stock's contribution to portfolio risk and its statistical relationship with the portfolio's other stocks. Based on your understanding of portfolio risk, identify whether each statement is true or false