Let X be the ratio of sales to profits of some fiml.
Chapter 24, Problem 24.5(choose chapter or problem)
Let X be the ratio of sales to profits of some fiml. Assume that X has the distribution function F(x) = 0 if x < 2, F(x) = (x2 - 4)/5 if 2 :=; x < 3. F(x) = I if x ~ 3. Find and graph the density. What is the probability that X is between ::!.5 (40% profit) and 5 (20% profit)?
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