The probability that a person in the United States has type B+ blood is 7%. Four unrelated people in the United States are selected at random. Complete parts (a) through (d) Find the probability that all four have type B+ blood (Round to The probability that all four have type B+ blood is six decimal places as needed. • Find the probability that none of the four have type B+ blood as et The probability that none of the four have type B+ blood is (Round to three decimal places as needed) • Find the probability that at least one of the four has type B+ blood. The probability that at least one of the four has type B+ blood is (Round to three decimal places as needed) ng

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