The given data as;
Expected value define as the summation of xP(x)
So;
So, expected value is the summation of xP(x);
Expected value = Summation of xp(x)
= -0.8 + (-0.3) + (-0.4) + (-0.1) + 0
= -0.8 - 0.3 - 0.4 - 0.1 + 0
= -1.6
Answer ; Expected value = -1.6
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