Question: 4.13. Suppose that the graph in Fig. 4.16 represents the pdf of a random variable X. (a) What is the relationship between a and b?

4.13. Suppose that the graph in Fig. 4.16 represents the pdf of a random variable X.

(a) What is the relationship between a and b?

(b) If a > 0 and b > 0, what can you say about the largest value which b may assume? (See Fig. 4.16.) f(x)

(a,

b) x--a x=b FIGURE 4.16

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