In the U. S.:
45% of all people have Blood Type O
40% have Blood Type A
11%...
In the U. S.:
45% of all people have Blood Type O
40% have Blood Type A
11% have Blood Type B
4% have Blood Type AB.
(a) Find the probability a single person does not have Blood Type AB.
(b) Find the probability a single person has either Blood Type A or Blood Type B.
(c) In a group of 8 people, what is the probability that everyone has Blood Type O.
(d) Find the probability that in a group of 25 people, at least one person has Blood Type AB.
Answers: 2
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