Question
in a hospital ward there are 16 patients, 4 of whom have aids. a doctor is assigned to 6 of these patients at random. what
in a hospital ward there are 16 patients, 4 of whom have aids. a doctor is assigned to 6 of these patients at random. what is the VARIANCE if he gets 2 of the aids patients?
**My answer is .8889, is that right?
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
