It is commonly known that blood is classified into four types: type O, type A, t

Question

It is commonly known that blood is classified into four types: type O, type A, type B, and type AB. But blood typing also depends on the Rh factor, which can be negative or positive. Below is a table of the estimated proportions for blood types categorized on both type and Rh factor in a particular country. Complete parts a through c below. a) For a randomly selected human in this country, what is the probability that he is Rh negative given that he is type AB? ___ (Round to four decimal places as needed.) b) For a randomly selected human in this country, what is the probability that he is type AB given that he is Rh negative? ____ (Round to four decimal places as needed.) c) A person with type A- blood can accept donated blood only of types A- and O-. What is the probability that a randomly selected donor in this country can donate to a recipient in this country given that the recipient's blood type is A-? ____ (Round to four decimal places as needed.)

Explanation / Answer

a) probability =0.37/6.04= 0.0613

b)probabilty =0.37/10.3=0.0359

c)=(4.86+3.28)/99.97=0.0814

O A B AB Total RH+ 34.98 28.29 20.73 5.67 89.67 RH- 4.86 3.28 1.79 0.37 10.3 total 39.84 31.57 22.52 6.04 99.97

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