Help me pleasee

1,134

Step-by-step explanation:

First, do length x width x height

6 is length , 21 is width and 9 is height

multiple all those together :)

hope that helped :) - Aliyah

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