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Mathematics 21 Online
OpenStudy (anonymous):

What is the probability of selecting a donor that is blood type A-positive or is Rh-negative? Express the answer as a decimal rounded to the nearest thousandth.

OpenStudy (anonymous):

Blood Type- A B AB O Total Rh Factor: Positive 264 63 25 277 629 Negative 47 11 4 49 111 Total 311 74 29 326 740

OpenStudy (anonymous):

nvrmind. 0.507

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