Evaluate 2(x + 1) - 3 when x= 6.
A. 8
B. 5
c. 11
D. 10

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