A blood bank asserts that a person with type O blood and a negative Rh factor...

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A blood bank asserts that a person with type O blood and a negative Rh factor...

A blood 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 49% of people have type O blood and 19% of people have Rh− factor; 52% of people have type O or Rh− factor.

Find the probability that a person has both type O blood and the Rh− factor

math Statistics-And-Probability

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Answer 1

Answer #1

Let us denote the events :

A : a randomly selected people has type O blood

B : a randomly selected people has Rh− factor

Given

Now,

The probability that a person has both type O blood and the Rh− factor

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Answer 2

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A blood bank asserts that a person with type O blood and a negative Rh factor...

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