Is F(x) = $\frac { 1 } { ( x + 1 ) ^ { 2 } }$

question 55

Short Answer

Is f(x) = $\frac { 1 } { ( x + 1 ) ^ { 2 } }$ is a probability density function for x ≥ 0? If so, find P(X ≥ 2).
Enter either "no" or just a reduced fraction of form $\frac { a } { b }$ .

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Definitions:

Dragging

Involves moving objects or selections on a screen by holding and moving the cursor while the input device's button (like a mouse's left button) is held down.

Sizing

Adjusting or determining the dimensions or proportions of an object or layout in design and software applications.

Warmness

A term not commonly used in strict technical contexts, often referring to the level of heat or the perception of emotional warmth.

Ungroup

Refers to separating objects, shapes, or data points that were previously combined or grouped together in a software application.