Mathematics, 26.08.2019 06:30, punani

Ablood bank asserts that a person with type o blood and a negative rh factor (rh−) can donate blood to any person with any blood type. their data show that 42% of people have type o blood and 16% of people have rh− factor; 44% of people have type o or rh− factor.
find the probability that a person does not have both type o blood and the rh− factor.

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Ablood bank asserts that a person with type o blood and a negative rh factor (rh−) can donate blood...