Let Y be the rate (calls per hour) at which calls arrive at a switchboard. Let X
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and that the conditional p.f. of X given Y = y is
a. Find the marginal p.f. of X. (You may use the formula
b. Find the conditional p.d.f. g2(y|0) of Y given X = 0.
c. Find the conditional p.d.f. g2(y|1) of Y given X = 1.
d. For what values of y is g2(y|1) > g2(y|0)? Does this agree with the intuition that the more calls you see, the higher you should think the rate is?
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Related Book For
Probability And Statistics
ISBN: 9780321500465
4th Edition
Authors: Morris H. DeGroot, Mark J. Schervish
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