Consider the visits that result in leave without being seen (LWBS) at an emergency department. Assume that people independently arrive for service at hospital 2. What is the probability that the fourth visit is the first one to LWBS? Hospital 1 2 3 4 Total Total 5292 6991 5640 4329 22,252 LWBS 195 270 246 242 953 Admitted 1277 1558 666 984 4485 Not admitted 3820 5163 4728 3103 16,814 O a. NEGBINOM.DIST(4,1,0.0368, FALSE) = 0.0317 O b. NEGBINOM.DIST(3,1,0.0386, FALSE) = 0.0343 O c. None among the choices O d. NEGBINOM.DIST(3,1,0.0386, TRUE) = 0.1457

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