Problem $2(10$ pts$)$ The probability distribution for the rate of return on an investment is Rate of Return $($In Percent$)9\mathrm{.}09\mathrm{.}810\mathrm{.}010\mathrm{.}210\mathrm{.}6$ Probability $\mathrm{.}1\mathrm{.}2\mathrm{.}3\mathrm{.}3\mathrm{.}1$ What is the expected rate of return? what is standard deviation?