Mathematics, 23.12.2020 14:00, audjwood67

Last years' survey of blood type on 100 Ethiopian servals that 20 peoples have blood type A, 30 peoples have type B, 40 peoples have type O and the remaining have type AB. What is the probability of getting an Ethiopian with blood type A and AB?

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Last years' survey of blood type on 100 Ethiopian servals that 20 peoples have blood type A, 30 peop...