17. Four blood types $O, A, B$ and $A B$ occur in the population with frequencies $0.43,0.41,0.11$, and 0.05 respectively. A person may receive blood from another person with the same Rh factor and with the same type or type 0 . Within all the blood types, the Rh factors, (plus and minus), occur with frequencies 0.86 and 0.14 respectively. A hospital needs two units of blood to give to a type A Rh-recipient. An individual can donate only one unit. If 8 people arrive at the blood donation center, what is the probability that the hospital will be able to obtain the blood that it needs? (Compute the answer to 4 decimal places.) 0.7595 0.2405 0.1176 None of These 0.0732

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