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## Sagot :

**Answer:**

The expected value of x ; E(x) = 1

**Step-by-step explanation:**

F(x) = 1/8 for 0 ≤ x ≤ 4

To prove that it is a probability density function we will find E(x )

**attached below is the required prove**

It is proven that F(x) = 1/8 for 0 ≤ x ≤ 4 is probability density function

The expected value of X = 1