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Answer :
The expected value of X, E(X), is 26.2.
To calculate the expected value of X, E(X), for the given probability distribution, we multiply each value of X by its corresponding probability, and then sum up the products.
E(X) = (10 * 5/50) + (20 * 20/50) + (30 * 10/50) + (40 * 15/50)
E(X) = (0.2) + (8) + (6) + (12)
E(X) = 26.2
Therefore, the expected value of X, E(X), is 26.2.
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