The data in the following table summarizes blood groups and Rh types for 100 typ

Question

The data in the following table summarizes blood groups and Rh types for 100 typical people. If one person is randomly selected, find the probability of getting someone who is not group A.

                                                        Group

                                 O            A           B         AB

Type Rh+                 32           33           7          8

         Rh-                  7              6            5          2

p(person selected is not group A)=

(do not round until the final asnwer. Then round to three decimal places as needed)

Explanation / Answer

p(person selected is not group A)=1-P(selected is in group A)

Now from the table the number of person in gruop A =GrupA with Rh+ +Group A with Rh- =33+6=39

Now the total sample =100

P(selected in group A)=39/100 =.39

P(not in group A)=1-.39 =.61 ----------->ANSWER

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