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What is the percentage of blood group reported in the table?
HospitalHospitalHospitalHospitalHospitalTotalReported Blood groupWXYZ (1000)(500)(1000)(500)(3000)A Positive300150350100900B Positive350100300100850A Negative1505015050400B Negative1005050150350Calculation:Total reported blood group = A Positive + B Positive + A Negative + B Negative? 900 + 850 + 400 + 400 + 350 = 2500Total blood samples collected by hospitals = W + X + Y + Z ? 1000 + 500 + 1000 + 500 = 3000Required percentage = [Total reported blood group/Total number of blood samples collected] × 100? (2500/3000) × 100 = 83.33%? Required percentage is 83.33%
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