Pls help i dont even know what this is

x=-18/7

Step-by-step explanation:

the weird shapey thing is just the unknown

let's make life easy and just use x

substitute it in and then distribute the fractions

the simplify and solve

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

found it xd it ok yt