Question $1(2$ POINTS EACH$)$ : Suppose $x$ is a discrete random variable with a pmf presented as follows

$\backslash$table$[[x,-1,0,1],[P(x=x),0\mathrm{.}4,g,0\mathrm{.}3]]$

Find the value of the constant $g?$

Find $P(x>-0\mathrm{.}5).$

Find $E(2x-3)$

Bounce Question Find Var$(2x-3)$