Answered

1. A Random Variable X can take only two values, 1 and 2. P(1) = 0. 8 and P(2)=0. 2Calculate the Expected value of X​.

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Francis120736viz

Answer:

E(X) = 1 x 0.8 + 2 x 0.2 = 0.8 + 0.4 = 1.2.

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