Blood Types The probability that a person in the United States has type A+ blood is 31%
Chapter 3, Problem 28(choose chapter or problem)
Blood Types The probability that a person in the United States has type A+ blood is 31%. Three unrelated people in the United States are selected at random. (Source: American Association of Blood Banks) (a) Find the probability that all three have type A+ blood. (b) Find the probability that none of the three have type A+ blood. (c) Find the probability that at least one of the three has type A+ blood. (d) Which of the events can be considered unusual? Explain.
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