Question: Consider the hospital emergency room data given below. Let A denote the event that a visit is to hospital 4, and let B denote the

Consider the hospital emergency room data given below. Let A denote the event that a visit is to hospital 4, and let B denote the event that a visit results in LWBS (at any hospital).

Use the addition rules to calculate the following probabilities.

Hospital Total 6991 Total 5292 5640 4329 22,252 242 LWBS 195 270 246 953 1277 1558 984 4485 Admitted 666 Not admitted 51

(a) P(AˆªB)

(b) P(AˆªB')

Hospital Total 6991 Total 5292 5640 4329 22,252 242 LWBS 195 270 246 953 1277 1558 984 4485 Admitted 666 Not admitted 5163 4728 3103 3820 16,814

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