Mathematics, 19.06.2021 22:10 itzzarosario12

The blood bank at the hospital has 1,200 units of blood, out of which 37% units are of blood group B+. A clinical researcher randomly selects 300 units of blood and finds that 33% of those are of blood group B+. To test his result, he randomly selects 200 units of blood and finds that 40% of those are of blood group B+

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Answer from: chaycebell74021

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The blood bank at the hospital has 1,200 units of blood, out of which 37% units are of blood group B...

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