Ava45018 Ava45018

26-09-2020
Mathematics

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How do you do this question?

How do you do this question class=

Respuesta :

MathPhys MathPhys

26-09-2020

Answer:

-$0.16

Step-by-step explanation:

The expected value is the sum of the outcomes multiplied by their probabilities.

E(X) = 1/38 (+68) + 37/38 (-2)

E(X) = -0.16

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