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Mathematics, 04.07.2020 02:01 crystalstargala

Five individuals have responded to a request by a blood bank for blood donations. None of them has donated before, so their blood types are unknown. Suppose only type O is desired and only one of the five actually has this type. If the potential donors are selected in random order for typing, what is the probability that at least four individuals must be typed to obtain the desired type

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Five individuals have responded to a request by a blood bank for blood donations. None of them has d...
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