Let f(x) be the continuous probability density function of a random variable x, the probability that a < x <= b is
- A. f(b-a)
- B. f(b) - f(a)
- C. integral from a to b of f(x)dx
- D. integral from a to b of xf(x)dx
Answer: C. integral from a to b of f(x)dx
Explanation: Probability is the area under the PDF curve.