How to find probability from cumulative frequency graph

Mathematics

1 answer:

Salsk061 [2.6K]4 years ago

5 0

Answer:

find the difference of points on the graph

Step-by-step explanation:

The cumulative frequency graph (CDF) represents the integral of the probability distribution function (PDF). You find the probability that X is in some interval by subtracting the value of the CDF at the low end of the interval from the CDF value at the high end of the interval.

p(a < x < b) = cdf(b) -cdf(a)

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