To state: The reason why
Answer to Problem 32E
Integration is considered a good approximation to the area which represents the probability because the area is a kind of sum.
Explanation of Solution
Given information:
The given figure is shown below:
Probabilities are of two types: Continuous and Discrete
A discrete probability includes all the possible values of the random variables, with its probability.
The discrete probabilities determine rectangles above the individual test scores, so that there actually is a nonzero probability of scoring, say 560. The rectangles would look like the figure below, and would have total area 1.
Integration is considered as a good approximation to the area which represents the probability.
Since the area is a kind of sum.
Chapter 7 Solutions
CALCULUS:GRAPHICAL,...,AP ED.-W/ACCESS
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