SOLUTION: One particular high school encourages students to donate blood. The high school gym is set up for this purpose. The distribution of blood types in North America is as follows:
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Question 204746: One particular high school encourages students to donate blood. The high school gym is set up for this purpose. The distribution of blood types in North America is as follows:
Type O: 44% Type A: 42%
Type B: 10% Type AB: 4%
A.) What is the probability that the first two people in the line up have the same type of blood??
B.) What is the probability that none of the first five people in the line have type AB blood??
(Express all answers in nearest hundreth of one percent)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The distribution of blood types in North America is as follows:
Type O: 44% Type A: 42%
Type B: 10% Type AB: 4%
A.) What is the probability that the first two people in the line up have the same type of blood?
P(both have same type) = 0.44^2 + 0.42^2 + 0.10^2 + 0.04^2
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B.) What is the probability that none of the first five people in the line have type AB blood??
P(none of 5) = 0.56^5 + 0.58^5 + 0.90^5 + 0.96^5
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Cheers,
Stan H.
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