Which set of ordered pairs does not represent a function? O {(7, -5), (-5, -2), (8, -9), (-9,0)}
O {(-3,0), (0, -5), (6, -2), (1, -2)}
O {(6, -6), (–9, 2), (6, -1), (-8, -9)}
O {(7,3), (2, -6), (5, – 7), (0, –7)}

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

answer: idk

step-by-step explanation:

a

step-by-step explanation:

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