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23) A blood bank records the blood types, including positive or negative Rh-factor, during a blood drive. The table shows the number of donors with

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23) A blood bank records the blood types, including positive or negative Rh-factor, during a blood drive. The table shows the number of donors with each type of blood. Blood Type O Total Positive 146 134 331 Rh-Factor Negative Total 172 160 400 a Find the probability a donor chosen at random has type O or AB blood. Find the probability a donor chosen at random has type A blood or is Rh-positive

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