person in he United States has type B. blood is 9%, Four unrelated people in the
ID: 3060859 • Letter: P
Question
person in he United States has type B. blood is 9%, Four unrelated people in the United States are selected at randon. The probability that a Complete parts (a) through (d). (a) Find the probability that all four have type B' blood The probability that all four have type B' blood is 0.000066 (Round to six decimal places as needed.) (b) Find the probability that none of the four have type B' blood. The probability that none of the four have type B' blood is 999 Round to three decimal places as needed.)Explanation / Answer
(a) The probability that a person has B+ blood = 9% = 0.09.
=> Probability that all four people have B+ blood = 0.094 = 0.000066.
(b) Probability that a person does not have B+ blood = 1 - 0.09 = 0.91.
=> Probability that none of the four have B+ blood = 0.914 = 0.686.
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