Add or subtract the measurements
8'3"
- 5' 5"
8.

I am not giving you the answer because I want you to figure it out, but read the explanation.

Step-by-step explanation:

each foot has 12 inches, so take 8x12 plus 3 minus 5x12  plus 5 and you will have your answer.

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