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Mathematics, 01.04.2021 01:00 ella3714
There are four blood types, and not all are equally likely to be in blood banks. In a certain blood bank, 49% of donations are Type O blood, 27% of donations are Type A blood, 20% of donations are Type B blood, and 4% of donations are Type AB blood. A person with Type B blood can safely receive blood transfusions of Type O and Type B blood.
What is the probability that the 4th donation selected at random can be safely used in a blood transfusion on someone with Type B blood?
(0.31)3(0.69)
(0.51)3(0.49)
(0.69)3(0.31)
(0.80)3(0.20)
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There are four blood types, and not all are equally likely to be in blood banks. In a certain blood...
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