Let 1 be the indicator of event A. That is, the random variable 14 takes the...
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Let 1 be the indicator of event A. That is, the random variable 14 takes the value 1 if A occurs and is 0 if Aº occurs. (a) What is the support of 1A? (b) What is the p.m.f. of 1A? (c) Compute E[1₁]. (d) What should the subscript of the indicator r.v. on the r.h.s. of the fol- lowing equation be so that equality holds? 1A +1B-1AB = 17. You may assume that A and B are events. (e) Take the expected value of each side, and you end up with what familiar equation? Let 1 be the indicator of event A. That is, the random variable 14 takes the value 1 if A occurs and is 0 if Aº occurs. (a) What is the support of 1A? (b) What is the p.m.f. of 1A? (c) Compute E[1₁]. (d) What should the subscript of the indicator r.v. on the r.h.s. of the fol- lowing equation be so that equality holds? 1A +1B-1AB = 17. You may assume that A and B are events. (e) Take the expected value of each side, and you end up with what familiar equation?
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Business Statistics In Practice
ISBN: 9780073401836
6th Edition
Authors: Bruce Bowerman, Richard O'Connell
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