If F (X) Is the Probability Density Function for the Blood

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 $250$ .

A) $\int_{40}^{250} f(x) d x$
B) $\int_{0}^{250} f(x) d x$
C) $\int_{195}^{250} f(x) d x$
D) $\int_{40}^{195} f(x) d x$
E) $\int_{250}^{195} f(x) d x$

Correct Answer:

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