(Solved): complete part c please Given the discrete probability distribution shown to the right, a. Calculate ...

Given the discrete probability distribution shown to the right, a. Calculate the expected value of $x$. b. Calculate the variance of $x$. c. Calculate the standard deviation of $x$. a. $E(x)=132.5$ (Type an integer or a decimal.) b. ${\sigma }_x^2=318.75$ (Type an integer or a decimal.) c. ${\sigma }_{\mathrm{x}}=$ (Type an integer or decimal rounded to two decimal places as needed.)