22-09-2022
Mathematics

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The table below shows the probability distribution of the random variable X.

What is the expected value of X?

x 0 1 2 3

P(X=x) 0.3 a 0.2 0.1

The table below shows the probability distribution of the random variable XWhat is the expected value of Xx 0 1 2 3PXx 03 a 02 01 class=

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