Question: Compute , 2 ( X ), and ( X ) for the random variable defined as follows. (See Example 5. Round your answer for (

Compute , 2(X), and (X) for the random variable defined as follows. (See Example 5. Round your answer for (X) to two decimal places.)

xi 100 170 280
pi 0.4 0.5 0.1
=
2(X) =
(X) =

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