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Suppose the following probabilities reflect the number of smart speakers (Google Home, Amazon Echo, etc.) per household for residents of Ann Arbor. X = number

Suppose the following probabilities reflect the number of smart speakers (Google Home, Amazon Echo, etc.) per household for residents of Ann Arbor.

X = number of smart speakers per Ann Arbor household01234P(X = x)0.280.460.200.050.01

What is the expected number of smart speakers per household in Ann Arbor?

Provide an appropriate symbol, the value (with supporting work), and units.

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