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100 sets of identical twins and 100 sets of fraternal twins are studied for rates of asthma. Results are: Identical Twins: Both have disease: 5,

100 sets of identical twins and 100 sets of fraternal twins are studied for rates of asthma. Results are: Identical Twins: Both have disease: 5, Neither have it: 60, One has it/other does not have it 35 Fraternal Twins: Both have disease 15, Neither have it: 75, One has it/other does not have it 10. Calculate the Concordance Rate for the Fraternal Twins. Express your answer to three decimals.

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