C. -24
Step-by-step explanation:
Plug in values into the given equation
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
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