Question: 15.12. Suppose that the random variable X has the following pdf: a cos ax f(x) = 0 < x 1. (a) Obtain an expression for

15.12. Suppose that the random variable X has the following pdf: a cos ax f(x) = 0 < x 1.

(a) Obtain an expression for the OC function of this test, say L(a), and graph it.

(b) What is the size of this test if ao = */4?

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