If $f ( x )$ Is the Probability Density Function for the Blood Cholesterol Level

question 9

Multiple Choice

If $f ( x )$ is the probability density function for the blood cholesterol level of men over the age of 40 , where $x$ is measured in milligrams per deciliter, express as an integral the probability that the cholesterol level of such a man lies between 195 and 245 .

• A) \(\int _ { 40 } ^ { 195 } f ( x ) d x\)
• B) \(\int _ { 245 } ^ { 195 } f ( x ) d x\)
• C) \(\int _ { 40 } ^ { 245 } f ( x ) d x\)
• D) \(\int _ { 195 } ^ { 245 } f ( x ) d x\)
• E) \(\int _ { 0 } ^ { 245 } f ( x ) d x\)

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Definitions:

Flatness

The degree to which a surface adheres to a perfectly flat plane, with minimal deviation.

Surface Elements

The basic visual and tactile aspects of a physical surface, including texture, smoothness, and other topographical features.

Symbol

A hallmark, icon, or language that points to, mirrors, or is accepted as indicating a perception, material, or affinity.

Circularity

A geometric term referring to the attribute of a shape being round, measured typically by how much a part deviates from a perfect circle.